diff --git a/.idea/.idea.ChatAAC/.idea/avalonia.xml b/.idea/.idea.ChatAAC/.idea/avalonia.xml
index d6e3788..122e1bc 100644
--- a/.idea/.idea.ChatAAC/.idea/avalonia.xml
+++ b/.idea/.idea.ChatAAC/.idea/avalonia.xml
@@ -4,6 +4,7 @@
     <option name="projectPerEditor">
       <map>
         <entry key="ChatAAC/App.axaml" value="ChatAAC/ChatAAC.csproj" />
+        <entry key="ChatAAC/Lang/Resources.axaml" value="ChatAAC/ChatAAC.csproj" />
         <entry key="ChatAAC/ViewModels/AboutWindow.axaml" value="ChatAAC/ChatAAC.csproj" />
         <entry key="ChatAAC/Views/AboutWindow.axaml" value="ChatAAC/ChatAAC.csproj" />
         <entry key="ChatAAC/Views/ConfigWindow.axaml" value="ChatAAC/ChatAAC.csproj" />
diff --git a/ChatAAC/App.axaml.cs b/ChatAAC/App.axaml.cs
index 49a9940..006e547 100644
--- a/ChatAAC/App.axaml.cs
+++ b/ChatAAC/App.axaml.cs
@@ -6,6 +6,7 @@
 using ChatAAC.ViewModels;
 using ChatAAC.Views;
 using ReactiveUI;
+using System.Globalization;
 
 namespace ChatAAC;
 
@@ -20,6 +21,9 @@ public override void Initialize()
 
     public override void OnFrameworkInitializationCompleted()
     {
+        // Ustawienie kultury na aktualną kulturę systemową
+        Lang.Resources.Culture = CultureInfo.CurrentCulture;
+        
         if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
             desktop.MainWindow = new MainWindow
             {
diff --git a/ChatAAC/ChatAAC.csproj b/ChatAAC/ChatAAC.csproj
index 33ddd5b..141d3ff 100644
--- a/ChatAAC/ChatAAC.csproj
+++ b/ChatAAC/ChatAAC.csproj
@@ -45,4 +45,19 @@
     <ItemGroup>
         <Folder Include="Assets\Categories\"/>
     </ItemGroup>
+
+    <ItemGroup>
+      <EmbeddedResource Update="Lang\Resources.resx">
+        <Generator>PublicResXFileCodeGenerator</Generator>
+        <LastGenOutput>Resources.Designer.cs</LastGenOutput>
+      </EmbeddedResource>
+    </ItemGroup>
+
+    <ItemGroup>
+      <Compile Update="Lang\Resources.Designer.cs">
+        <DesignTime>True</DesignTime>
+        <AutoGen>True</AutoGen>
+        <DependentUpon>Resources.resx</DependentUpon>
+      </Compile>
+    </ItemGroup>
 </Project>
diff --git a/ChatAAC/Lang/Resources.Designer.cs b/ChatAAC/Lang/Resources.Designer.cs
new file mode 100644
index 0000000..63549e9
--- /dev/null
+++ b/ChatAAC/Lang/Resources.Designer.cs
@@ -0,0 +1,450 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     This code was generated by a tool.
+//
+//     Changes to this file may cause incorrect behavior and will be lost if
+//     the code is regenerated.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+namespace ChatAAC.Lang {
+    using System;
+    
+    
+    [System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "4.0.0.0")]
+    [System.Diagnostics.DebuggerNonUserCodeAttribute()]
+    [System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
+    public class Resources {
+        
+        private static System.Resources.ResourceManager resourceMan;
+        
+        private static System.Globalization.CultureInfo resourceCulture;
+        
+        [System.Diagnostics.CodeAnalysis.SuppressMessageAttribute("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
+        internal Resources() {
+        }
+        
+        [System.ComponentModel.EditorBrowsableAttribute(System.ComponentModel.EditorBrowsableState.Advanced)]
+        public static System.Resources.ResourceManager ResourceManager {
+            get {
+                if (object.Equals(null, resourceMan)) {
+                    System.Resources.ResourceManager temp = new System.Resources.ResourceManager("ChatAAC.Lang.Resources", typeof(Resources).Assembly);
+                    resourceMan = temp;
+                }
+                return resourceMan;
+            }
+        }
+        
+        [System.ComponentModel.EditorBrowsableAttribute(System.ComponentModel.EditorBrowsableState.Advanced)]
+        public static System.Globalization.CultureInfo Culture {
+            get {
+                return resourceCulture;
+            }
+            set {
+                resourceCulture = value;
+            }
+        }
+        
+        public static string MainWindowTitle {
+            get {
+                return ResourceManager.GetString("MainWindowTitle", resourceCulture);
+            }
+        }
+        
+        public static string SelectedPictogramHelpText {
+            get {
+                return ResourceManager.GetString("SelectedPictogramHelpText", resourceCulture);
+            }
+        }
+        
+        public static string ClearTextButton {
+            get {
+                return ResourceManager.GetString("ClearTextButton", resourceCulture);
+            }
+        }
+        
+        public static string TenseLabel {
+            get {
+                return ResourceManager.GetString("TenseLabel", resourceCulture);
+            }
+        }
+        
+        public static string PastTense {
+            get {
+                return ResourceManager.GetString("PastTense", resourceCulture);
+            }
+        }
+        
+        public static string FutureTense {
+            get {
+                return ResourceManager.GetString("FutureTense", resourceCulture);
+            }
+        }
+        
+        public static string FormLabel {
+            get {
+                return ResourceManager.GetString("FormLabel", resourceCulture);
+            }
+        }
+        
+        public static string DeclarativeForm {
+            get {
+                return ResourceManager.GetString("DeclarativeForm", resourceCulture);
+            }
+        }
+        
+        public static string QuestionForm {
+            get {
+                return ResourceManager.GetString("QuestionForm", resourceCulture);
+            }
+        }
+        
+        public static string ClearTextButtonAutomation {
+            get {
+                return ResourceManager.GetString("ClearTextButtonAutomation", resourceCulture);
+            }
+        }
+        
+        public static string PastTenseAutomation {
+            get {
+                return ResourceManager.GetString("PastTenseAutomation", resourceCulture);
+            }
+        }
+        
+        public static string PresentTenseAutomation {
+            get {
+                return ResourceManager.GetString("PresentTenseAutomation", resourceCulture);
+            }
+        }
+        
+        public static string PresentTense {
+            get {
+                return ResourceManager.GetString("PresentTense", resourceCulture);
+            }
+        }
+        
+        public static string DeclarativeFormAutomation {
+            get {
+                return ResourceManager.GetString("DeclarativeFormAutomation", resourceCulture);
+            }
+        }
+        
+        public static string QuestionFormAutomation {
+            get {
+                return ResourceManager.GetString("QuestionFormAutomation", resourceCulture);
+            }
+        }
+        
+        public static string BackButtonAutomation {
+            get {
+                return ResourceManager.GetString("BackButtonAutomation", resourceCulture);
+            }
+        }
+        
+        public static string BackButton {
+            get {
+                return ResourceManager.GetString("BackButton", resourceCulture);
+            }
+        }
+        
+        public static string FutureTenseAutomation {
+            get {
+                return ResourceManager.GetString("FutureTenseAutomation", resourceCulture);
+            }
+        }
+        
+        public static string HistoryButtonAutomation {
+            get {
+                return ResourceManager.GetString("HistoryButtonAutomation", resourceCulture);
+            }
+        }
+        
+        public static string HistoryButton {
+            get {
+                return ResourceManager.GetString("HistoryButton", resourceCulture);
+            }
+        }
+        
+        public static string SettingsButtonAutomation {
+            get {
+                return ResourceManager.GetString("SettingsButtonAutomation", resourceCulture);
+            }
+        }
+        
+        public static string SettingsButton {
+            get {
+                return ResourceManager.GetString("SettingsButton", resourceCulture);
+            }
+        }
+        
+        public static string LoadingText {
+            get {
+                return ResourceManager.GetString("LoadingText", resourceCulture);
+            }
+        }
+        
+        public static string PreviousBoardAutomation {
+            get {
+                return ResourceManager.GetString("PreviousBoardAutomation", resourceCulture);
+            }
+        }
+        
+        public static string PreviousBoard {
+            get {
+                return ResourceManager.GetString("PreviousBoard", resourceCulture);
+            }
+        }
+        
+        public static string NextBoardAutomation {
+            get {
+                return ResourceManager.GetString("NextBoardAutomation", resourceCulture);
+            }
+        }
+        
+        public static string NextBoard {
+            get {
+                return ResourceManager.GetString("NextBoard", resourceCulture);
+            }
+        }
+        
+        public static string SettingsWindowTitle {
+            get {
+                return ResourceManager.GetString("SettingsWindowTitle", resourceCulture);
+            }
+        }
+        
+        public static string SettingsTitle {
+            get {
+                return ResourceManager.GetString("SettingsTitle", resourceCulture);
+            }
+        }
+        
+        public static string GeneralTab {
+            get {
+                return ResourceManager.GetString("GeneralTab", resourceCulture);
+            }
+        }
+        
+        public static string OllamaAddressLabel {
+            get {
+                return ResourceManager.GetString("OllamaAddressLabel", resourceCulture);
+            }
+        }
+        
+        public static string OllamaAddressAutomation {
+            get {
+                return ResourceManager.GetString("OllamaAddressAutomation", resourceCulture);
+            }
+        }
+        
+        public static string SelectModelLabel {
+            get {
+                return ResourceManager.GetString("SelectModelLabel", resourceCulture);
+            }
+        }
+        
+        public static string ProgramLanguageLabel {
+            get {
+                return ResourceManager.GetString("ProgramLanguageLabel", resourceCulture);
+            }
+        }
+        
+        public static string BoardsTab {
+            get {
+                return ResourceManager.GetString("BoardsTab", resourceCulture);
+            }
+        }
+        
+        public static string IncludeSexSymbols {
+            get {
+                return ResourceManager.GetString("IncludeSexSymbols", resourceCulture);
+            }
+        }
+        
+        public static string IncludeViolenceSymbols {
+            get {
+                return ResourceManager.GetString("IncludeViolenceSymbols", resourceCulture);
+            }
+        }
+        
+        public static string DefaultBoardLabel {
+            get {
+                return ResourceManager.GetString("DefaultBoardLabel", resourceCulture);
+            }
+        }
+        
+        public static string AACBoardFilesLabel {
+            get {
+                return ResourceManager.GetString("AACBoardFilesLabel", resourceCulture);
+            }
+        }
+        
+        public static string AddFileButton {
+            get {
+                return ResourceManager.GetString("AddFileButton", resourceCulture);
+            }
+        }
+        
+        public static string BoardPathTooltip {
+            get {
+                return ResourceManager.GetString("BoardPathTooltip", resourceCulture);
+            }
+        }
+        
+        public static string RemoveButton {
+            get {
+                return ResourceManager.GetString("RemoveButton", resourceCulture);
+            }
+        }
+        
+        public static string RemoveButtonAutomation {
+            get {
+                return ResourceManager.GetString("RemoveButtonAutomation", resourceCulture);
+            }
+        }
+        
+        public static string DisplayTab {
+            get {
+                return ResourceManager.GetString("DisplayTab", resourceCulture);
+            }
+        }
+        
+        public static string FontSizeLabel {
+            get {
+                return ResourceManager.GetString("FontSizeLabel", resourceCulture);
+            }
+        }
+        
+        public static string ButtonSizeLabel {
+            get {
+                return ResourceManager.GetString("ButtonSizeLabel", resourceCulture);
+            }
+        }
+        
+        public static string ShowSymbolsLabel {
+            get {
+                return ResourceManager.GetString("ShowSymbolsLabel", resourceCulture);
+            }
+        }
+        
+        public static string AdvancedTab {
+            get {
+                return ResourceManager.GetString("AdvancedTab", resourceCulture);
+            }
+        }
+        
+        public static string CacheDirectoryLabel {
+            get {
+                return ResourceManager.GetString("CacheDirectoryLabel", resourceCulture);
+            }
+        }
+        
+        public static string ClearCacheButton {
+            get {
+                return ResourceManager.GetString("ClearCacheButton", resourceCulture);
+            }
+        }
+        
+        public static string BackupSettingsLabel {
+            get {
+                return ResourceManager.GetString("BackupSettingsLabel", resourceCulture);
+            }
+        }
+        
+        public static string ExportSettingsButton {
+            get {
+                return ResourceManager.GetString("ExportSettingsButton", resourceCulture);
+            }
+        }
+        
+        public static string ImportSettingsButton {
+            get {
+                return ResourceManager.GetString("ImportSettingsButton", resourceCulture);
+            }
+        }
+        
+        public static string AboutButton {
+            get {
+                return ResourceManager.GetString("AboutButton", resourceCulture);
+            }
+        }
+        
+        public static string SaveButton {
+            get {
+                return ResourceManager.GetString("SaveButton", resourceCulture);
+            }
+        }
+        
+        public static string AboutWindowTitle {
+            get {
+                return ResourceManager.GetString("AboutWindowTitle", resourceCulture);
+            }
+        }
+        
+        public static string AboutTitle {
+            get {
+                return ResourceManager.GetString("AboutTitle", resourceCulture);
+            }
+        }
+        
+        public static string AboutVersion {
+            get {
+                return ResourceManager.GetString("AboutVersion", resourceCulture);
+            }
+        }
+        
+        public static string AboutDescription {
+            get {
+                return ResourceManager.GetString("AboutDescription", resourceCulture);
+            }
+        }
+        
+        public static string AboutAuthor {
+            get {
+                return ResourceManager.GetString("AboutAuthor", resourceCulture);
+            }
+        }
+        
+        public static string AboutContact {
+            get {
+                return ResourceManager.GetString("AboutContact", resourceCulture);
+            }
+        }
+        
+        public static string AboutArasaacTitle {
+            get {
+                return ResourceManager.GetString("AboutArasaacTitle", resourceCulture);
+            }
+        }
+        
+        public static string AboutArasaacDescription {
+            get {
+                return ResourceManager.GetString("AboutArasaacDescription", resourceCulture);
+            }
+        }
+        
+        public static string AboutLicensesTitle {
+            get {
+                return ResourceManager.GetString("AboutLicensesTitle", resourceCulture);
+            }
+        }
+        
+        public static string AboutLicensesDescription {
+            get {
+                return ResourceManager.GetString("AboutLicensesDescription", resourceCulture);
+            }
+        }
+        
+        public static string AboutCloseButton {
+            get {
+                return ResourceManager.GetString("AboutCloseButton", resourceCulture);
+            }
+        }
+        
+        public static string AboutCloseButtonAutomation {
+            get {
+                return ResourceManager.GetString("AboutCloseButtonAutomation", resourceCulture);
+            }
+        }
+    }
+}
diff --git a/ChatAAC/Lang/Resources.en.resx b/ChatAAC/Lang/Resources.en.resx
new file mode 100644
index 0000000..ed0c889
--- /dev/null
+++ b/ChatAAC/Lang/Resources.en.resx
@@ -0,0 +1,216 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+    <resheader name="resmimetype">
+        <value>text/microsoft-resx</value>
+    </resheader>
+    <resheader name="version">
+        <value>1.3</value>
+    </resheader>
+    <resheader name="reader">
+        <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+    </resheader>
+    <resheader name="writer">
+        <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+    </resheader>
+    <data name="MainWindowTitle" xml:space="preserve">
+        <value>ChatAAC</value>
+    </data>
+    <data name="SelectedPictogramHelpText" xml:space="preserve">
+        <value>Selected pictogram: {0}</value>
+    </data>
+    <data name="ClearTextButton" xml:space="preserve">
+        <value>Clear Text</value>
+    </data>
+    <data name="TenseLabel" xml:space="preserve">
+        <value>Tense:</value>
+    </data>
+    <data name="PastTense" xml:space="preserve">
+        <value>past</value>
+    </data>
+    <data name="FutureTense" xml:space="preserve">
+        <value>future</value>
+    </data>
+    <data name="FormLabel" xml:space="preserve">
+        <value>Form:</value>
+    </data>
+    <data name="DeclarativeForm" xml:space="preserve">
+        <value>Declarative</value>
+    </data>
+    <data name="QuestionForm" xml:space="preserve">
+        <value>Question</value>
+    </data>
+    <data name="ClearTextButtonAutomation" xml:space="preserve">
+        <value>Clear text button</value>
+    </data>
+    <data name="PastTenseAutomation" xml:space="preserve">
+        <value>Past tense</value>
+    </data>
+    <data name="PresentTenseAutomation" xml:space="preserve">
+        <value>Present tense</value>
+    </data>
+    <data name="PresentTense" xml:space="preserve">
+        <value>present</value>
+    </data>
+    <data name="DeclarativeFormAutomation" xml:space="preserve">
+        <value>Declarative form</value>
+    </data>
+    <data name="QuestionFormAutomation" xml:space="preserve">
+        <value>Question form</value>
+    </data>
+    <data name="BackButtonAutomation" xml:space="preserve">
+        <value>Back</value>
+    </data>
+    <data name="BackButton" xml:space="preserve">
+        <value>Back</value>
+    </data>
+    <data name="FutureTenseAutomation" xml:space="preserve">
+        <value>Future tense</value>
+    </data>
+    <data name="HistoryButtonAutomation" xml:space="preserve">
+        <value>History of entries</value>
+    </data>
+    <data name="HistoryButton" xml:space="preserve">
+        <value>History</value>
+    </data>
+    <data name="SettingsButtonAutomation" xml:space="preserve">
+        <value>Settings</value>
+    </data>
+    <data name="SettingsButton" xml:space="preserve">
+        <value>Settings</value>
+    </data>
+    <data name="LoadingText" xml:space="preserve">
+        <value>Loading…</value>
+    </data>
+    <data name="PreviousBoardAutomation" xml:space="preserve">
+        <value>Previous board</value>
+    </data>
+    <data name="PreviousBoard" xml:space="preserve">
+        <value>Previous</value>
+    </data>
+    <data name="NextBoardAutomation" xml:space="preserve">
+        <value>Next board</value>
+    </data>
+    <data name="NextBoard" xml:space="preserve">
+        <value>Next</value>
+    </data>
+    <data name="SettingsWindowTitle" xml:space="preserve">
+        <value>Settings</value>
+    </data>
+    <data name="SettingsTitle" xml:space="preserve">
+        <value>Settings</value>
+    </data>
+    <data name="GeneralTab" xml:space="preserve">
+        <value>General</value>
+    </data>
+    <data name="OllamaAddressLabel" xml:space="preserve">
+        <value>Address for Ollama:</value>
+    </data>
+    <data name="OllamaAddressAutomation" xml:space="preserve">
+        <value>Ollama server IP address</value>
+    </data>
+    <data name="SelectModelLabel" xml:space="preserve">
+        <value>Select model:</value>
+    </data>
+    <data name="ProgramLanguageLabel" xml:space="preserve">
+        <value>Program language:</value>
+    </data>
+    <data name="BoardsTab" xml:space="preserve">
+        <value>Boards</value>
+    </data>
+    <data name="IncludeSexSymbols" xml:space="preserve">
+        <value>Include symbols about sexuality</value>
+    </data>
+    <data name="IncludeViolenceSymbols" xml:space="preserve">
+        <value>Include symbols about violence</value>
+    </data>
+    <data name="DefaultBoardLabel" xml:space="preserve">
+        <value>Default board:</value>
+    </data>
+    <data name="AACBoardFilesLabel" xml:space="preserve">
+        <value>AAC board files:</value>
+    </data>
+    <data name="AddFileButton" xml:space="preserve">
+        <value>Add file</value>
+    </data>
+    <data name="BoardPathTooltip" xml:space="preserve">
+        <value>Path to AAC board file</value>
+    </data>
+    <data name="RemoveButton" xml:space="preserve">
+        <value>Remove</value>
+    </data>
+    <data name="RemoveButtonAutomation" xml:space="preserve">
+        <value>Remove button</value>
+    </data>
+    <data name="DisplayTab" xml:space="preserve">
+        <value>Display</value>
+    </data>
+    <data name="FontSizeLabel" xml:space="preserve">
+        <value>Font size:</value>
+    </data>
+    <data name="ButtonSizeLabel" xml:space="preserve">
+        <value>Button size:</value>
+    </data>
+    <data name="ShowSymbolsLabel" xml:space="preserve">
+        <value>Show symbols:</value>
+    </data>
+    <data name="AdvancedTab" xml:space="preserve">
+        <value>Advanced</value>
+    </data>
+    <data name="CacheDirectoryLabel" xml:space="preserve">
+        <value>Cache directory:</value>
+    </data>
+    <data name="ClearCacheButton" xml:space="preserve">
+        <value>Clear cache</value>
+    </data>
+    <data name="BackupSettingsLabel" xml:space="preserve">
+        <value>Backup settings:</value>
+    </data>
+    <data name="ExportSettingsButton" xml:space="preserve">
+        <value>Export settings</value>
+    </data>
+    <data name="ImportSettingsButton" xml:space="preserve">
+        <value>Import settings</value>
+    </data>
+    <data name="AboutButton" xml:space="preserve">
+        <value>About</value>
+    </data>
+    <data name="SaveButton" xml:space="preserve">
+        <value>Save</value>
+    </data>
+    <data name="AboutWindowTitle" xml:space="preserve">
+        <value>About</value>
+    </data>
+    <data name="AboutTitle" xml:space="preserve">
+        <value>ChatAAC</value>
+    </data>
+    <data name="AboutVersion" xml:space="preserve">
+        <value>Version 1.0.0</value>
+    </data>
+    <data name="AboutDescription" xml:space="preserve">
+        <value>ChatAAC is an application that supports communication for individuals with physical disabilities using pictograms.</value>
+    </data>
+    <data name="AboutAuthor" xml:space="preserve">
+        <value>Author: Mateusz Kierepka</value>
+    </data>
+    <data name="AboutContact" xml:space="preserve">
+        <value>Contact: mateusz@kierepka.com</value>
+    </data>
+    <data name="AboutArasaacTitle" xml:space="preserve">
+        <value>About ARASAAC</value>
+    </data>
+    <data name="AboutArasaacDescription" xml:space="preserve">
+        <value>ARASAAC (Aragonese Center of Augmentative and Alternative Communication) provides the pictograms used in the ChatAAC application. With ARASAAC, users can create messages using visual symbols, enhancing effective communication for individuals with physical disabilities.</value>
+    </data>
+    <data name="AboutLicensesTitle" xml:space="preserve">
+        <value>Licenses</value>
+    </data>
+    <data name="AboutLicensesDescription" xml:space="preserve">
+        <value>ChatAAC is available under the MIT license. ARASAAC pictograms are used in compliance with the ARASAAC license, which allows their use in communication-supporting applications.</value>
+    </data>
+    <data name="AboutCloseButton" xml:space="preserve">
+        <value>Close</value>
+    </data>
+    <data name="AboutCloseButtonAutomation" xml:space="preserve">
+        <value>Close button</value>
+    </data>
+</root>
\ No newline at end of file
diff --git a/ChatAAC/Lang/Resources.resx b/ChatAAC/Lang/Resources.resx
new file mode 100644
index 0000000..c87479e
--- /dev/null
+++ b/ChatAAC/Lang/Resources.resx
@@ -0,0 +1,222 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<root>
+    <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+        <xsd:element name="root" msdata:IsDataSet="true">
+            
+        </xsd:element>
+    </xsd:schema>
+    <resheader name="resmimetype">
+        <value>text/microsoft-resx</value>
+    </resheader>
+    <resheader name="version">
+        <value>1.3</value>
+    </resheader>
+    <resheader name="reader">
+        <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+    </resheader>
+    <resheader name="writer">
+        <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+    </resheader>
+    <data name="MainWindowTitle" xml:space="preserve">
+        <value>ChatAAC</value>
+    </data>
+    <data name="SelectedPictogramHelpText" xml:space="preserve">
+        <value>Wybrany piktogram: {0}</value>
+    </data>
+    <data name="ClearTextButton" xml:space="preserve">
+        <value>Wyczyść tekst</value>
+    </data>
+    <data name="TenseLabel" xml:space="preserve">
+        <value>Czas:</value>
+    </data>
+    <data name="PastTense" xml:space="preserve">
+        <value>było</value>
+    </data>
+    <data name="FutureTense" xml:space="preserve">
+        <value>będzie</value>
+    </data>
+    <data name="FormLabel" xml:space="preserve">
+        <value>Forma:</value>
+    </data>
+    <data name="DeclarativeForm" xml:space="preserve">
+        <value>Oznajmująca</value>
+    </data>
+    <data name="QuestionForm" xml:space="preserve">
+        <value>Pytająca</value>
+    </data>
+    <data name="ClearTextButtonAutomation" xml:space="preserve">
+        <value>Przycisk wyczyść tekst</value>
+    </data>
+    <data name="PastTenseAutomation" xml:space="preserve">
+        <value>Czas przeszły</value>
+    </data>
+    <data name="PresentTenseAutomation" xml:space="preserve">
+        <value>Czas teraźniejszy</value>
+    </data>
+    <data name="PresentTense" xml:space="preserve">
+        <value>jest</value>
+    </data>
+    <data name="DeclarativeFormAutomation" xml:space="preserve">
+        <value>Forma oznajmująca</value>
+    </data>
+    <data name="QuestionFormAutomation" xml:space="preserve">
+        <value>Forma pytająca</value>
+    </data>
+    <data name="BackButtonAutomation" xml:space="preserve">
+        <value>Powrót</value>
+    </data>
+    <data name="BackButton" xml:space="preserve">
+        <value>Wróć</value>
+    </data>
+    <data name="FutureTenseAutomation" xml:space="preserve">
+        <value>Czas przyszły</value>
+    </data>
+    <data name="HistoryButtonAutomation" xml:space="preserve">
+        <value>Historia wpisów</value>
+    </data>
+    <data name="HistoryButton" xml:space="preserve">
+        <value>Historia</value>
+    </data>
+    <data name="SettingsButtonAutomation" xml:space="preserve">
+        <value>Ustawienia</value>
+    </data>
+    <data name="SettingsButton" xml:space="preserve">
+        <value>Ustawienia</value>
+    </data>
+    <data name="LoadingText" xml:space="preserve">
+        <value>Ładowanie…</value>
+    </data>
+    <data name="PreviousBoardAutomation" xml:space="preserve">
+        <value>Poprzednia tablica</value>
+    </data>
+    <data name="PreviousBoard" xml:space="preserve">
+        <value>Wstecz</value>
+    </data>
+    <data name="NextBoardAutomation" xml:space="preserve">
+        <value>Następna tablica</value>
+    </data>
+    <data name="NextBoard" xml:space="preserve">
+        <value>Dalej</value>
+    </data>
+    <data name="SettingsWindowTitle" xml:space="preserve">
+        <value>Ustawienia</value>
+    </data>
+    <data name="SettingsTitle" xml:space="preserve">
+        <value>Ustawienia </value>
+    </data>
+    <data name="GeneralTab" xml:space="preserve">
+        <value>Ogólne</value>
+    </data>
+    <data name="OllamaAddressLabel" xml:space="preserve">
+        <value>Adres dla Ollama:</value>
+    </data>
+    <data name="OllamaAddressAutomation" xml:space="preserve">
+        <value>Adres IP serwera Ollama</value>
+    </data>
+    <data name="SelectModelLabel" xml:space="preserve">
+        <value>Wybierz model:</value>
+    </data>
+    <data name="ProgramLanguageLabel" xml:space="preserve">
+        <value>Język programu:</value>
+    </data>
+    <data name="BoardsTab" xml:space="preserve">
+        <value>Tablice</value>
+    </data>
+    <data name="IncludeSexSymbols" xml:space="preserve">
+        <value>Uwzględnij symbole związane z seksualnością</value>
+    </data>
+    <data name="IncludeViolenceSymbols" xml:space="preserve">
+        <value>Uwzględnij symbole związane z przemocą</value>
+    </data>
+    <data name="DefaultBoardLabel" xml:space="preserve">
+        <value>Domyślna tablica:</value>
+    </data>
+    <data name="AACBoardFilesLabel" xml:space="preserve">
+        <value>Pliki tablic AAC:</value>
+    </data>
+    <data name="AddFileButton" xml:space="preserve">
+        <value>Dodaj plik</value>
+    </data>
+    <data name="BoardPathTooltip" xml:space="preserve">
+        <value>Ścieżka do pliku tablicy AAC</value>
+    </data>
+    <data name="RemoveButton" xml:space="preserve">
+        <value>Usuń</value>
+    </data>
+    <data name="RemoveButtonAutomation" xml:space="preserve">
+        <value>Przycisk usuń</value>
+    </data>
+    <data name="DisplayTab" xml:space="preserve">
+        <value>Wyświetlanie</value>
+    </data>
+    <data name="FontSizeLabel" xml:space="preserve">
+        <value>Rozmiar czcionki:</value>
+    </data>
+    <data name="ButtonSizeLabel" xml:space="preserve">
+        <value>Rozmiar przycisków:</value>
+    </data>
+    <data name="ShowSymbolsLabel" xml:space="preserve">
+        <value>Pokaż symbole:</value>
+    </data>
+    <data name="AdvancedTab" xml:space="preserve">
+        <value>Zaawansowane</value>
+    </data>
+    <data name="CacheDirectoryLabel" xml:space="preserve">
+        <value>Katalog pamięci podręcznej:</value>
+    </data>
+    <data name="ClearCacheButton" xml:space="preserve">
+        <value>Wyczyść pamięć podręczną</value>
+    </data>
+    <data name="BackupSettingsLabel" xml:space="preserve">
+        <value>Kopia zapasowa ustawień:</value>
+    </data>
+    <data name="ExportSettingsButton" xml:space="preserve">
+        <value>Eksportuj ustawienia</value>
+    </data>
+    <data name="ImportSettingsButton" xml:space="preserve">
+        <value>Importuj ustawienia</value>
+    </data>
+    <data name="AboutButton" xml:space="preserve">
+        <value>O programie</value>
+    </data>
+    <data name="SaveButton" xml:space="preserve">
+        <value>Zapisz</value>
+    </data>
+    <data name="AboutWindowTitle" xml:space="preserve">
+        <value>O programie</value>
+    </data>
+    <data name="AboutTitle" xml:space="preserve">
+        <value>ChatAAC </value>
+    </data>
+    <data name="AboutVersion" xml:space="preserve">
+        <value>Wersja 1.0.0</value>
+    </data>
+    <data name="AboutDescription" xml:space="preserve">
+        <value>ChatAAC to aplikacja wspomagająca komunikację osób z niepełnosprawnościami ruchowymi za pomocą piktogramów.</value>
+    </data>
+    <data name="AboutAuthor" xml:space="preserve">
+        <value>Autor: Mateusz Kierepka</value>
+    </data>
+    <data name="AboutContact" xml:space="preserve">
+        <value>Kontakt: mateusz@kierepka.com</value>
+    </data>
+    <data name="AboutArasaacTitle" xml:space="preserve">
+        <value>O ARASAAC</value>
+    </data>
+    <data name="AboutArasaacDescription" xml:space="preserve">
+        <value>ARASAAC (Aragonese Center of Augmentative and Alternative Communication) dostarcza piktogramy używane w aplikacji ChatAAC. Dzięki ARASAAC użytkownicy mogą tworzyć komunikaty za pomocą symboli wizualnych, co wspiera efektywną komunikację osób z niepełnosprawnościami ruchowymi.</value>
+    </data>
+    <data name="AboutLicensesTitle" xml:space="preserve">
+        <value>Licencje</value>
+    </data>
+    <data name="AboutLicensesDescription" xml:space="preserve">
+        <value>ChatAAC jest dostępny na licencji MIT. Piktogramy ARASAAC są używane zgodnie z warunkami licencji ARASAAC, która umożliwia ich wykorzystanie w aplikacjach wspierających komunikację.</value>
+    </data>
+    <data name="AboutCloseButton" xml:space="preserve">
+        <value>Zamknij</value>
+    </data>
+    <data name="AboutCloseButtonAutomation" xml:space="preserve">
+        <value>Przycisk zamknięcia</value>
+    </data>
+</root>
\ No newline at end of file
diff --git a/ChatAAC/Models/ConfigData.cs b/ChatAAC/Models/ConfigData.cs
index 95cc6ab..484351d 100644
--- a/ChatAAC/Models/ConfigData.cs
+++ b/ChatAAC/Models/ConfigData.cs
@@ -13,5 +13,7 @@ public class ConfigData
     public string? SelectedLanguage { get; set; }
     public int LoadedIconsCount { get; set; }
     public string DefaultBoardPath { get; set; } = string.Empty;
+    public double FontSize { get; set; }
+    public double ButtonSize { get; set; }
     public List<string>? BoardPaths { get; set; }
 }
\ No newline at end of file
diff --git a/ChatAAC/Models/Obf/ObfLoader.cs b/ChatAAC/Models/Obf/ObfLoader.cs
index 158408c..d2e45ef 100644
--- a/ChatAAC/Models/Obf/ObfLoader.cs
+++ b/ChatAAC/Models/Obf/ObfLoader.cs
@@ -29,7 +29,7 @@ public static partial class ObfLoader
     /// An asynchronous task that returns an ObfFile object if successful.
     /// Returns null if loading or processing fails.
     /// </returns>
-    public static async Task<ObfFile?> LoadObfAsync(string filePath)
+    public static async Task<ObfFile?> LoadObfAsync(string? filePath)
     {
         if (string.IsNullOrWhiteSpace(filePath))
         {
@@ -84,8 +84,14 @@ public static partial class ObfLoader
     /// An asynchronous task that returns an ObfFile object if deserialization is successful.
     /// Returns null if deserialization fails.
     /// </returns>
-    private static async Task<ObfFile?> DeserializeObfFileAsync(string obfFilePath)
+    private static async Task<ObfFile?> DeserializeObfFileAsync(string? obfFilePath)
     {
+        if (string.IsNullOrWhiteSpace(obfFilePath))
+        {
+            LogError("The file path is null or empty.");
+            return null;
+        }
+
         try
         {
             var jsonString = await File.ReadAllTextAsync(obfFilePath);
@@ -93,7 +99,7 @@ public static partial class ObfLoader
         }
         catch (Exception ex)
         {
-            LogError($"Error deserializing OBF file: {obfFilePath} błąd:  {ex.Message}");
+            LogError($"Error deserializing OBF file: {ex.Message}");
             return null;
         }
     }
diff --git a/ChatAAC/ViewModels/AboutViewModel.cs b/ChatAAC/ViewModels/AboutViewModel.cs
index ddbdbfa..8633192 100644
--- a/ChatAAC/ViewModels/AboutViewModel.cs
+++ b/ChatAAC/ViewModels/AboutViewModel.cs
@@ -1,6 +1,5 @@
 using System;
 using System.Reactive;
-using System.Reactive.Linq;
 using ReactiveUI;
 
 namespace ChatAAC.ViewModels;
@@ -10,13 +9,16 @@ public class AboutViewModel : ViewModelBase
     public AboutViewModel()
     {
         CloseInteraction = new Interaction<Unit, Unit>();
-        CloseCommand = ReactiveCommand.CreateFromTask(async () => { await CloseInteraction.Handle(Unit.Default); });
+        CloseCommand = ReactiveCommand.Create(() =>
+        {
+            // Trigger the CloseInteraction to close the window
+            CloseInteraction.Handle(Unit.Default).Subscribe();
+        });
 
-        // Obsługa wyjątków
+        // Handle exceptions from the command
         CloseCommand.ThrownExceptions.Subscribe(ex =>
         {
-            // Logowanie lub obsługa błędów
-            Console.WriteLine($"Błąd w CloseCommand: {ex.Message}");
+            Console.WriteLine($"Error in CloseCommand: {ex.Message}");
         });
     }
 
diff --git a/ChatAAC/ViewModels/ConfigViewModel.cs b/ChatAAC/ViewModels/ConfigViewModel.cs
index 9f19c90..61e44e2 100644
--- a/ChatAAC/ViewModels/ConfigViewModel.cs
+++ b/ChatAAC/ViewModels/ConfigViewModel.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.ObjectModel;
+using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Reactive;
@@ -13,369 +14,413 @@
 using Avalonia.Controls.ApplicationLifetimes;
 using Avalonia.Platform.Storage;
 using ChatAAC.Models;
+using ChatAAC.Views;
 using OllamaSharp;
 using ReactiveUI;
 
-namespace ChatAAC.ViewModels;
-
-public class ConfigViewModel : ReactiveObject
+namespace ChatAAC.ViewModels
 {
-    #region Constructor
-
-    private ConfigViewModel()
+    public class ConfigViewModel : ReactiveObject
     {
-        EnsureConfigDirectoryExists();
-        LoadConfiguration();
-        NormalizeOllamaAddress();
-
-        SaveCommand = ReactiveCommand.Create(SaveConfiguration);
-        AddBoardCommand = ReactiveCommand.CreateFromTask(AddBoardPathAsync);
-        RemoveBoardCommand = ReactiveCommand.Create<string>(RemoveBoardPath);
+        #region Constructor
 
-        // Subskrybuj zmiany w kolekcji BoardPaths
-        BoardPaths.CollectionChanged += (_, _) =>
+        private ConfigViewModel()
         {
-            _isDirty = true;
-            SaveConfiguration();
-        };
+            EnsureConfigDirectoryExists();
+            LoadConfiguration();
+            NormalizeOllamaAddress();
+
+            SaveCommand = ReactiveCommand.Create(SaveConfiguration);
+            AddBoardCommand = ReactiveCommand.CreateFromTask(AddBoardPathAsync);
+            RemoveBoardCommand = ReactiveCommand.Create<string>(RemoveBoardPath);
+            ClearCacheCommand = ReactiveCommand.Create(ClearCache);
+            ExportSettingsCommand = ReactiveCommand.Create(ExportSettings);
+            ImportSettingsCommand = ReactiveCommand.Create(ImportSettings);
+            OpenAboutWindowCommand = ReactiveCommand.Create(OpenAboutWindow);
+
+            // Monitor changes in the BoardPaths collection
+            BoardPaths.CollectionChanged += (_, _) =>
+            {
+                _isDirty = true;
+                SaveConfiguration();
+            };
 
-        _ = InitializeModelsAsync();
-    }
 
-    #endregion
+            _ = InitializeModelsAsync();
+        }
 
-    #region Singleton Implementation
+        #endregion
 
-    private static readonly Lazy<ConfigViewModel> _instance =
-        new(() => new ConfigViewModel(), LazyThreadSafetyMode.ExecutionAndPublication);
+        #region Singleton Implementation
 
-    public static ConfigViewModel Instance => _instance.Value;
+        private static readonly Lazy<ConfigViewModel> _instance =
+            new(() => new ConfigViewModel(), LazyThreadSafetyMode.ExecutionAndPublication);
 
-    private string? _message;
+        public static ConfigViewModel Instance => _instance.Value;
 
-    public string? Message
-    {
-        get => _message;
-        set => this.RaiseAndSetIfChanged(ref _message, value);
-    }
+        private string? _message;
 
-    #endregion
+        public string? Message
+        {
+            get => _message;
+            set => this.RaiseAndSetIfChanged(ref _message, value);
+        }
 
-    #region Fields
+        #endregion
 
-    private string _ollamaAddress = "http://localhost:11434";
-    private string _selectedModel = "gemma2";
-    private bool _showSex;
-    private bool _showViolence;
-    private bool _showAac;
-    private bool _showSchematic;
-    private string? _selectedLanguage;
-    private int _loadedIconsCount;
+        #region Fields
 
-    private string _defaultBoardPath = string.Empty;
+        private string _ollamaAddress = "http://localhost:11434";
+        private string _selectedModel = "gemma2";
+        private bool _showSex;
+        private bool _showViolence;
+        private string? _selectedLanguage;
+        private string _defaultBoardPath = string.Empty;
 
-    #endregion
+        #endregion
 
-    #region Configuration Storage
+        #region Configuration Storage
 
-    private readonly string _configFilePath = Path.Combine(
-        Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
-        "ChatAAC",
-        "config.json");
+        private readonly string _configFilePath = Path.Combine(
+            Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
+            "ChatAAC",
+            "config.json");
 
-    private readonly object _saveLock = new();
-    private bool _isDirty;
+        private readonly object _saveLock = new();
+        private bool _isDirty;
 
-    #endregion
+        #endregion
 
-    #region Properties
+        #region Properties
 
-    public string OllamaAddress
-    {
-        get => _ollamaAddress;
-        set => SetAndSave(ref _ollamaAddress, value);
-    }
+        public string OllamaAddress
+        {
+            get => _ollamaAddress;
+            set => SetAndSave(ref _ollamaAddress, value);
+        }
 
-    public string SelectedModel
-    {
-        get => _selectedModel;
-        set => SetAndSave(ref _selectedModel, value);
-    }
+        public string SelectedModel
+        {
+            get => _selectedModel;
+            set => SetAndSave(ref _selectedModel, value);
+        }
 
-    public bool ShowSex
-    {
-        get => _showSex;
-        set => SetAndSave(ref _showSex, value);
-    }
+        public bool ShowSex
+        {
+            get => _showSex;
+            set => SetAndSave(ref _showSex, value);
+        }
 
-    public bool ShowViolence
-    {
-        get => _showViolence;
-        set => SetAndSave(ref _showViolence, value);
-    }
+        public bool ShowViolence
+        {
+            get => _showViolence;
+            set => SetAndSave(ref _showViolence, value);
+        }
 
-    public bool ShowAac
-    {
-        get => _showAac;
-        set => SetAndSave(ref _showAac, value);
-    }
+        public string? SelectedLanguage
+        {
+            get => _selectedLanguage;
+            set
+            {
+                SetAndSave(ref _selectedLanguage, value);
+                ChangeLanguage(value);
+            }
+        }
+        
+        public CultureInfo? SelectedCulture { get; set; }
+        
+        private void ChangeLanguage(string? language)
+        {
+            if (string.IsNullOrEmpty(language)) return;
 
-    public bool ShowSchematic
-    {
-        get => _showSchematic;
-        set => SetAndSave(ref _showSchematic, value);
-    }
+            SelectedCulture = language switch
+            {
+                "Polski" => new CultureInfo("pl-PL"),
+                "English" => new CultureInfo("en-US"),
+                _ => CultureInfo.InvariantCulture
+            };
 
-    public string? SelectedLanguage
-    {
-        get => _selectedLanguage;
-        set => SetAndSave(ref _selectedLanguage, value);
-    }
+            Thread.CurrentThread.CurrentCulture = SelectedCulture;
+            Thread.CurrentThread.CurrentUICulture = SelectedCulture;
 
-    public int LoadedIconsCount
-    {
-        get => _loadedIconsCount;
-        set => SetAndSave(ref _loadedIconsCount, value);
-    }
+            Lang.Resources.Culture = SelectedCulture;
+        }
 
-    public string DefaultBoardPath
-    {
-        get => _defaultBoardPath;
-        set => SetAndSave(ref _defaultBoardPath, value);
-    }
+        public string DefaultBoardPath
+        {
+            get => _defaultBoardPath;
+            set => SetAndSave(ref _defaultBoardPath, value);
+        }
 
-    [JsonIgnore] public ObservableCollection<string> Models { get; } = [];
+        public string CacheDirectory => Path.Combine(
+            Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
+            "ChatAAC", "Cache");
 
-    [JsonIgnore] public ObservableCollection<string> Languages { get; } = ["Polski", "English"];
+        private double _buttonSize = 50.0;
+        private double _fontSize = 16.0;
+        private double _fontSizeSmall = 14.0;
+        private double _fontSizeBig = 18.0;
+        private double _fontSizeLarge = 24.0;
 
-    [JsonIgnore] public ObservableCollection<string> BoardPaths { get; } = [];
+        public double FontSize
+        {
+            get => _fontSize;
+            set
+            {
+                this.SetAndSave(ref _fontSize, value);
+                FontSizeSmall = _fontSize - 2;
+                FontSizeBig = _fontSize + 2;
+                FontSizeLarge = _fontSize + 8;
+            }
+        }
 
-    #endregion
+        public double FontSizeSmall
+        {
+            get => _fontSizeSmall;
+            set => this.SetAndSave(ref _fontSizeSmall, value);
+        }
 
-    #region Commands
+        public double FontSizeBig
+        {
+            get => _fontSizeSmall;
+            set => this.SetAndSave(ref _fontSizeBig, value);
+        }
 
-    [JsonIgnore] public ReactiveCommand<Unit, Unit> SaveCommand { get; }
+        public double FontSizeLarge
+        {
+            get => _fontSizeLarge;
+            set => this.SetAndSave(ref _fontSizeLarge, value);
+        }
 
-    [JsonIgnore] public ICommand AddBoardCommand { get; }
 
-    [JsonIgnore] public ICommand RemoveBoardCommand { get; }
+        public double ButtonSize
+        {
+            get => _buttonSize;
+            set => this.SetAndSave(ref _buttonSize, value);
+        }
 
-    #endregion
+        [JsonIgnore] public ObservableCollection<string> Models { get; } = new();
 
-    #region Methods
+        [JsonIgnore] public ObservableCollection<string> Languages { get; } = new() { "Polski", "English" };
 
-    /// <summary>
-    ///     Adds a board path to the list of board paths.
-    /// </summary>
-    private async Task AddBoardPathAsync()
-    {
-        if (Application.Current?.ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
-        {
-            var mainWindow = desktop.MainWindow;
-            if (mainWindow?.StorageProvider == null) return;
+        [JsonIgnore] public ObservableCollection<string> BoardPaths { get; } = new();
 
-            var files = await mainWindow.StorageProvider.OpenFilePickerAsync(new FilePickerOpenOptions
-            {
-                Title = "Wybierz plik tablicy AAC",
-                AllowMultiple = false,
-                FileTypeFilter =
-                [
-                    new FilePickerFileType("Pliki OBZ lub OBF")
-                    {
-                        Patterns = ["*.obz", "*.obf"]
-                    }
-                ]
-            });
+        #endregion
 
-            var file = files.FirstOrDefault();
-            if (file != null)
-            {
-                var path = file.Path.LocalPath;
-                if (!BoardPaths.Contains(path)) BoardPaths.Add(path);
-            }
-        }
-    }
+        #region Commands
 
-    /// <summary>
-    ///     Removes a board path from the list of board paths.
-    /// </summary>
-    private void RemoveBoardPath(string path)
-    {
-        if (BoardPaths.Contains(path)) BoardPaths.Remove(path);
-    }
+        [JsonIgnore] public ReactiveCommand<Unit, Unit> SaveCommand { get; }
 
-    /// <summary>
-    ///     Normalizes the Ollama address to ensure it has the correct format.
-    /// </summary>
-    private void NormalizeOllamaAddress()
-    {
-        if (!OllamaAddress.StartsWith("http"))
-            OllamaAddress = "http://" + OllamaAddress;
+        [JsonIgnore] public ICommand AddBoardCommand { get; }
 
-        if (!OllamaAddress.Contains(':', StringComparison.Ordinal))
-            OllamaAddress += ":11434";
-    }
+        [JsonIgnore] public ICommand RemoveBoardCommand { get; }
 
-    /// <summary>
-    ///     Initializes the list of models by fetching them from the Ollama API.
-    /// </summary>
-    private async Task InitializeModelsAsync()
-    {
-        try
+        [JsonIgnore] public ICommand OpenAboutWindowCommand { get; }
+
+        [JsonIgnore] public ICommand ExportSettingsCommand { get; }
+        [JsonIgnore] public ICommand ImportSettingsCommand { get; }
+
+        [JsonIgnore] public ICommand ClearCacheCommand { get; }
+
+        #endregion
+
+        #region Methods
+
+        private void ExportSettings()
         {
-            var ollamaClient = new OllamaApiClient(OllamaAddress);
-            var models = await ollamaClient.ListLocalModelsAsync();
-            var sortedModels = models.OrderBy(m => m.Name);
+            var destination = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Desktop), "config.json");
+            File.Copy(_configFilePath, destination, true);
+        }
 
-            foreach (var model in sortedModels) Models.Add(model.Name);
+        private void ImportSettings()
+        {
+            var source = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Desktop), "config.json");
+            if (!File.Exists(source)) return;
+            File.Copy(source, _configFilePath, true);
+            LoadConfiguration();
         }
-        catch (Exception ex)
+
+        private void OpenAboutWindow()
         {
-            // Handle or log the exception
-            Console.WriteLine($"Error initializing models: {ex.Message}");
+            if (Application.Current?.ApplicationLifetime is not IClassicDesktopStyleApplicationLifetime desktop) return;
+            var aboutWindow = new AboutWindow
+            {
+                DataContext = new AboutViewModel()
+            };
+            aboutWindow.Show();
         }
-    }
 
-    private void EnsureConfigDirectoryExists()
-    {
-        var directory = Path.GetDirectoryName(_configFilePath);
-        if (!string.IsNullOrEmpty(directory) && !Directory.Exists(directory)) Directory.CreateDirectory(directory);
-    }
+        private void ClearCache()
+        {
+            if (!Directory.Exists(CacheDirectory)) return;
+            Directory.Delete(CacheDirectory, true);
+            Directory.CreateDirectory(CacheDirectory);
+        }
 
-    /// <summary>
-    ///     Loads the configuration from the config file.
-    /// </summary>
-    private void LoadConfiguration()
-    {
-        if (!File.Exists(_configFilePath))
+        public void ReloadSettings()
         {
-            // Inicjalizacja domyślnych wartości
-            InitializeDefaults();
-            SaveConfiguration();
-            return;
+            LoadConfiguration();
         }
 
-        try
+        private async Task AddBoardPathAsync()
         {
-            var json = File.ReadAllText(_configFilePath);
-            var options = new JsonSerializerOptions
+            if (Application.Current?.ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
             {
-                PropertyNameCaseInsensitive = true,
-                WriteIndented = true
-            };
+                var mainWindow = desktop.MainWindow;
+                if (mainWindow?.StorageProvider == null) return;
 
-            var config = JsonSerializer.Deserialize<ConfigData>(json, options);
-            if (config == null) return;
+                var files = await mainWindow.StorageProvider.OpenFilePickerAsync(new FilePickerOpenOptions
+                {
+                    Title = "Select AAC Board File",
+                    AllowMultiple = false,
+                    FileTypeFilter = new[]
+                    {
+                        new FilePickerFileType("OBZ/OBF Files") { Patterns = new[] { "*.obz", "*.obf" } }
+                    }
+                });
 
-            // Aktualizacja wszystkich właściwości
-            UpdatePropertiesFromConfig(config);
-            _isDirty = false;
+                var file = files.FirstOrDefault();
+                if (file != null)
+                {
+                    var path = file.Path.LocalPath;
+                    if (!BoardPaths.Contains(path)) BoardPaths.Add(path);
+                }
+            }
         }
-        catch (Exception ex)
+
+        private void RemoveBoardPath(string path)
         {
-            Console.WriteLine($"Error loading configuration: {ex.Message}");
-            InitializeDefaults();
+            if (BoardPaths.Contains(path)) BoardPaths.Remove(path);
         }
-    }
 
+        private void NormalizeOllamaAddress()
+        {
+            if (!OllamaAddress.StartsWith("http"))
+                OllamaAddress = "http://" + OllamaAddress;
 
-    private void InitializeDefaults()
-    {
-        OllamaAddress = "http://localhost:11434";
-        SelectedModel = "gemma2";
-        SelectedLanguage = "Polski";
-        DefaultBoardPath = Path.Combine(
-            Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
-            "ChatAAC",
-            "communikate-20.obz");
-        BoardPaths.Clear();
-    }
+            if (!OllamaAddress.Contains(':'))
+                OllamaAddress += ":11434";
+        }
 
-    private void UpdatePropertiesFromConfig(ConfigData config)
-    {
-        OllamaAddress = config.OllamaAddress;
-        SelectedModel = config.SelectedModel;
-        ShowSex = config.ShowSex;
-        ShowViolence = config.ShowViolence;
-        ShowAac = config.ShowAac;
-        ShowSchematic = config.ShowSchematic;
-        SelectedLanguage = config.SelectedLanguage ?? "Polski";
-        LoadedIconsCount = config.LoadedIconsCount;
-        DefaultBoardPath = config.DefaultBoardPath;
-
-        BoardPaths.Clear();
-        if (config.BoardPaths == null) return;
-        foreach (var path in config.BoardPaths.Where(p => !string.IsNullOrEmpty(p))) BoardPaths.Add(path);
-    }
+        private async Task InitializeModelsAsync()
+        {
+            try
+            {
+                var ollamaClient = new OllamaApiClient(OllamaAddress);
+                var models = await ollamaClient.ListLocalModelsAsync();
+                var sortedModels = models.OrderBy(m => m.Name);
 
-    /// <summary>
-    ///     Saves the current configuration to the config file.
-    /// </summary>
-    private void SaveConfiguration()
-    {
-        if (!_isDirty) return;
+                foreach (var model in sortedModels) Models.Add(model.Name);
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine($"Error initializing models: {ex.Message}");
+            }
+        }
+
+        private void EnsureConfigDirectoryExists()
+        {
+            var directory = Path.GetDirectoryName(_configFilePath);
+            if (!string.IsNullOrEmpty(directory) && !Directory.Exists(directory)) Directory.CreateDirectory(directory);
+        }
 
-        lock (_saveLock)
+        private void LoadConfiguration()
         {
+            if (!File.Exists(_configFilePath))
+            {
+                InitializeDefaults();
+                SaveConfiguration();
+                return;
+            }
+
             try
             {
-                var configData = new ConfigData
-                {
-                    OllamaAddress = OllamaAddress,
-                    SelectedModel = SelectedModel,
-                    ShowSex = ShowSex,
-                    ShowViolence = ShowViolence,
-                    ShowAac = ShowAac,
-                    ShowSchematic = ShowSchematic,
-                    SelectedLanguage = SelectedLanguage,
-                    LoadedIconsCount = LoadedIconsCount,
-                    DefaultBoardPath = DefaultBoardPath,
-                    BoardPaths = BoardPaths.ToList()
-                };
-
-                var options = new JsonSerializerOptions
-                {
-                    WriteIndented = true
-                };
+                var json = File.ReadAllText(_configFilePath);
+                var config = JsonSerializer.Deserialize<ConfigData>(json);
 
-                var json = JsonSerializer.Serialize(configData, options);
-                File.WriteAllText(_configFilePath, json);
+                if (config != null) UpdatePropertiesFromConfig(config);
                 _isDirty = false;
-
-                Console.WriteLine("Configuration saved successfully");
             }
             catch (Exception ex)
             {
-                Console.WriteLine($"Error saving configuration: {ex.Message}");
+                Console.WriteLine($"Error loading configuration: {ex.Message}");
+                InitializeDefaults();
             }
         }
-    }
 
-    /// <summary>
-    ///     Helper method to set a property value and save configuration.
-    /// </summary>
-    private void SetAndSave<T>(ref T field, T value, [CallerMemberName] string? propertyName = null)
-    {
-        this.RaiseAndSetIfChanged(ref field, value, propertyName);
-        _isDirty = true;
-        SaveConfiguration();
-    }
+        private void InitializeDefaults()
+        {
+            OllamaAddress = "http://localhost:11434";
+            SelectedModel = "gemma2";
+            SelectedLanguage = "Polski";
+            FontSize = 16.0;
+            ButtonSize = 50.0;
+            DefaultBoardPath = Path.Combine(
+                Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
+                "ChatAAC",
+                "communikate-20.obz");
+            BoardPaths.Clear();
+        }
 
-    /// <summary>
-    ///     Updates the count of loaded icons.
-    /// </summary>
-    public void UpdateLoadedIconsCount(int count)
-    {
-        LoadedIconsCount = count;
-    }
+        private void UpdatePropertiesFromConfig(ConfigData config)
+        {
+            OllamaAddress = config.OllamaAddress;
+            SelectedModel = config.SelectedModel;
+            ShowSex = config.ShowSex;
+            ShowViolence = config.ShowViolence;
+            SelectedLanguage = config.SelectedLanguage ?? "Polski";
+            DefaultBoardPath = config.DefaultBoardPath;
+            FontSize = config.FontSize;
+            ButtonSize = config.ButtonSize;
+
+            BoardPaths.Clear();
+            if (config.BoardPaths == null) return;
+            foreach (var path in config.BoardPaths.Where(p => !string.IsNullOrEmpty(p)))
+                BoardPaths.Add(path);
+        }
 
-    /// <summary>
-    ///     Reloads settings from the configuration file.
-    /// </summary>
-    public void ReloadSettings()
-    {
-        LoadConfiguration();
-    }
 
-    #endregion
+        private void SaveConfiguration()
+        {
+            if (!_isDirty) return;
+
+            lock (_saveLock)
+            {
+                try
+                {
+                    var configData = new ConfigData
+                    {
+                        OllamaAddress = OllamaAddress,
+                        SelectedModel = SelectedModel,
+                        ShowSex = ShowSex,
+                        ShowViolence = ShowViolence,
+                        SelectedLanguage = SelectedLanguage,
+                        DefaultBoardPath = DefaultBoardPath,
+                        FontSize = FontSize,
+                        ButtonSize = ButtonSize,
+                        BoardPaths = BoardPaths.ToList()
+                    };
+
+                    var json = JsonSerializer.Serialize(configData, new JsonSerializerOptions { WriteIndented = true });
+                    File.WriteAllText(_configFilePath, json);
+                    _isDirty = false;
+
+                    Console.WriteLine("Configuration saved successfully.");
+                }
+                catch (Exception ex)
+                {
+                    Console.WriteLine($"Error saving configuration: {ex.Message}");
+                }
+            }
+        }
+
+        private void SetAndSave<T>(ref T field, T value, [CallerMemberName] string? propertyName = null)
+        {
+            this.RaiseAndSetIfChanged(ref field, value, propertyName);
+            _isDirty = true;
+            SaveConfiguration();
+        }
+
+        #endregion
+    }
 }
\ No newline at end of file
diff --git a/ChatAAC/ViewModels/MainViewModel.cs b/ChatAAC/ViewModels/MainViewModel.cs
index ed5faa7..81d0d51 100644
--- a/ChatAAC/ViewModels/MainViewModel.cs
+++ b/ChatAAC/ViewModels/MainViewModel.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
+using System.Globalization;
 using System.IO;
 using System.IO.Compression;
 using System.Linq;
@@ -9,6 +10,7 @@
 using System.Text;
 using System.Text.Json;
 using System.Text.RegularExpressions;
+using System.Threading;
 using System.Threading.Tasks;
 using Avalonia;
 using Avalonia.Controls;
@@ -43,9 +45,11 @@ public partial class MainViewModel : ViewModelBase
     private int _currentBoardIndex;
     private int _gridRows;
     private int _gridColumns;
+
     private bool _isInitialized;
+
     // Field to store history of loaded files
-    private List<string> _obfFileHistory = [];
+    private List<string?> _obfFileHistory = [];
     private int _currentHistoryIndex = -1; // Indeks bieżącego pliku w historii
 
     private readonly string _historyFilePath = Path.Combine(
@@ -203,7 +207,7 @@ private async Task LoadMainBoard()
             Console.WriteLine("Historia jest pusta.");
             return;
         }
-        
+
         var nextFilePath = _obfFileHistory[0];
         await LoadObfFileAsync(nextFilePath);
     }
@@ -349,9 +353,9 @@ private async Task LoadObfOrObzFileAsync(string filePath)
             Console.WriteLine("Nieobsługiwany typ pliku. Podaj plik z rozszerzeniem .obf lub .obz.");
     }
 
-    
+
     // Metoda pomocnicza do ładowania pliku OBF i aktualizacji historii
-    private async Task LoadObfFileAsync(string filePath)
+    private async Task LoadObfFileAsync(string? filePath)
     {
         IsLoading = true;
         try
@@ -364,10 +368,11 @@ private async Task LoadObfFileAsync(string filePath)
             }
 
             ObfData = obfFile;
-            CurrentObfFilePath = filePath;
+            CurrentObfFilePath = filePath ?? string.Empty;
 
             // Jeśli wczytujemy nowy plik spoza historii
-            if (_currentHistoryIndex == -1 || _currentHistoryIndex == _obfFileHistory.Count - 1 || _obfFileHistory[_currentHistoryIndex] != filePath)
+            if (_currentHistoryIndex == -1 || _currentHistoryIndex == _obfFileHistory.Count - 1 ||
+                _obfFileHistory[_currentHistoryIndex] != filePath)
             {
                 // Usuń elementy z historii po bieżącym indeksie (jeśli poruszamy się w środku historii)
                 if (_currentHistoryIndex < _obfFileHistory.Count - 1)
@@ -393,7 +398,7 @@ private async Task LoadObfFileAsync(string filePath)
         }
     }
 
-    public string CurrentObfFilePath { get; set; }
+    public string CurrentObfFilePath { get; set; } = string.Empty;
 
     /// <summary>
     /// Asynchronously loads an OBZ file from the specified file path.
@@ -445,7 +450,7 @@ private async Task LoadObzFileAsync(string filePath)
             IsLoading = false;
         }
     }
-    
+
 
     private string ObzDirectoryName { get; set; } = string.Empty;
 
@@ -514,7 +519,26 @@ await Task.Run(() =>
                 {
                     // Ensure the destination directory exists and extract the file
                     Directory.CreateDirectory(Path.GetDirectoryName(destinationPath)!);
-                    entry.ExtractToFile(destinationPath, true);
+                    try
+                    {
+                        // Próba rozpakowania pliku
+                        entry.ExtractToFile(destinationPath, true);
+                    }
+                    catch (UnauthorizedAccessException ex)
+                    {
+                        // Obsługa wyjątku braku dostępu do pliku
+                        Console.WriteLine($"Access denied to file: {destinationPath}. {ex.Message}");
+                    }
+                    catch (IOException ex)
+                    {
+                        // Obsługa wyjątku związanych z I/O, np. plik w użyciu
+                        Console.WriteLine($"Unable to overwrite file: {destinationPath}. {ex.Message}");
+                    }
+                    catch (Exception ex)
+                    {
+                        // Obsługa wszystkich innych wyjątków
+                        Console.WriteLine($"An error occurred while extracting file: {entry.FullName}. {ex.Message}");
+                    }
                 }
             }
         });
@@ -833,11 +857,9 @@ private async void OpenSettings(string? message = null)
             if (mainWindow == null) return;
             await configWindow.ShowDialog(mainWindow);
 
-            configWindow.Closed += async (_, _) =>
-            {
-                await OnConfigWindowClosedAsync();
-                ConfigViewModel.Instance.Message = null;
-            };
+    
+            ConfigViewModel.Instance.Message = null;
+            RefreshUi();
         }
         catch (Exception ex)
         {
@@ -845,53 +867,25 @@ private async void OpenSettings(string? message = null)
         }
     }
 
-    private async Task OnConfigWindowClosedAsync()
+    private void RefreshUi()
     {
-        try
-        {
-            // Wymuszamy zapis konfiguracji przed zamknięciem
-            ConfigViewModel.Instance.SaveCommand.Execute().Subscribe();
+        Thread.CurrentThread.CurrentCulture = ConfigViewModel.Instance.SelectedCulture ?? CultureInfo.InvariantCulture;
+        Thread.CurrentThread.CurrentUICulture =
+            ConfigViewModel.Instance.SelectedCulture ?? CultureInfo.InvariantCulture;
 
-            // Zapamiętujemy aktualną ścieżkę
-            var currentBoardPath = ConfigViewModel.Instance.BoardPaths.ElementAtOrDefault(CurrentBoardIndex);
+        Lang.Resources.Culture = ConfigViewModel.Instance.SelectedCulture;
 
-            // Przeładowanie ustawień
-            ConfigViewModel.Instance.ReloadSettings();
 
-            // Sprawdzamy czy konfiguracja została poprawnie zapisana
-            var savedBoardPaths = ConfigViewModel.Instance.BoardPaths;
-            if (!savedBoardPaths.Any()) Console.WriteLine("Warning: Board paths are empty after reload");
-
-            // Czyścimy stan aplikacji
-            await Dispatcher.UIThread.InvokeAsync(() =>
-            {
-                Buttons.Clear();
-                SelectedButtons.Clear();
-                AiResponse = string.Empty;
-                ConstructedSentence = string.Empty;
-            });
+        // Notify all bindings to refresh
+        this.RaisePropertyChanged(string.Empty);
 
-            _isInitialized = false;
-
-            // Przywracamy pozycję w BoardPaths
-            if (!string.IsNullOrEmpty(currentBoardPath))
-            {
-                CurrentBoardIndex = ConfigViewModel.Instance.BoardPaths.IndexOf(currentBoardPath);
-                if (CurrentBoardIndex == -1) CurrentBoardIndex = 0;
-            }
-            else
-            {
-                CurrentBoardIndex = 0;
-            }
-
-            await LoadInitialFileAsync();
-        }
-        catch (Exception ex)
-        {
-            Console.WriteLine($"Error in OnConfigWindowClosedAsync: {ex.Message}");
-        }
+        if (Application.Current?.ApplicationLifetime is not IClassicDesktopStyleApplicationLifetime desktop) return;
+        var mainWindow = desktop.MainWindow;
+        mainWindow?.InvalidateVisual();
     }
 
+   
+
     [GeneratedRegex(@"^[a-zA-Z]:/")]
     private static partial Regex MyRegex();
 
diff --git a/ChatAAC/Views/AboutWindow.axaml b/ChatAAC/Views/AboutWindow.axaml
index 39b3a64..4bfba67 100644
--- a/ChatAAC/Views/AboutWindow.axaml
+++ b/ChatAAC/Views/AboutWindow.axaml
@@ -3,33 +3,26 @@
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         xmlns:vm="clr-namespace:ChatAAC.ViewModels"
+        xmlns:lang="clr-namespace:ChatAAC.Lang"
         mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
         x:Class="ChatAAC.Views.AboutWindow"
         x:DataType="vm:AboutViewModel"
-        Title="O Programie">
+        Title="{x:Static lang:Resources.AboutWindowTitle}">
     <StackPanel Margin="20">
-        <TextBlock Text="ChatAAC" FontSize="24" FontWeight="Bold" HorizontalAlignment="Center" Margin="0,0,0,10" />
-        <TextBlock Text="Wersja 1.0.0" FontSize="16" HorizontalAlignment="Center" Margin="0,0,0,20" />
-        <TextBlock
-            Text="ChatAAC to aplikacja wspomagająca komunikację osób z niepełnosprawnościami ruchowymi poprzez piktogramy."
-            TextWrapping="Wrap" FontSize="14" Margin="0,0,0,20" />
-        <TextBlock Text="Autor: Mateusz Kierepka" FontSize="14" HorizontalAlignment="Center" Margin="0,0,0,5" />
-        <TextBlock Text="Kontakt: mateusz@kierepka.com" FontSize="14" HorizontalAlignment="Center" Margin="0,0,0,20" />
+        <TextBlock Text="{x:Static lang:Resources.AboutTitle}" FontSize="{Binding Source={x:Static vm:ConfigViewModel.Instance}, Path=FontSizeLarge}" FontWeight="Bold" HorizontalAlignment="Center" Margin="0,0,0,10" />
+        <TextBlock Text="{x:Static lang:Resources.AboutVersion}" FontSize="{Binding Source={x:Static vm:ConfigViewModel.Instance}, Path=FontSize}" HorizontalAlignment="Center" Margin="0,0,0,20" />
+        <TextBlock Text="{x:Static lang:Resources.AboutDescription}" TextWrapping="Wrap" FontSize="{Binding Source={x:Static vm:ConfigViewModel.Instance}, Path=FontSizeSmall}" Margin="0,0,0,20" />
+        <TextBlock Text="{x:Static lang:Resources.AboutAuthor}" FontSize="{Binding Source={x:Static vm:ConfigViewModel.Instance}, Path=FontSizeSmall}" HorizontalAlignment="Center" Margin="0,0,0,5" />
+        <TextBlock Text="{x:Static lang:Resources.AboutContact}" FontSize="{Binding Source={x:Static vm:ConfigViewModel.Instance}, Path=FontSizeSmall}" HorizontalAlignment="Center" Margin="0,0,0,20" />
 
+        <!-- ARASAAC Usage Section -->
+        <TextBlock Text="{x:Static lang:Resources.AboutArasaacTitle}" FontSize="{Binding Source={x:Static vm:ConfigViewModel.Instance}, Path=FontSizeBig}" FontWeight="Bold" Margin="0,10,0,5" />
+        <TextBlock Text="{x:Static lang:Resources.AboutArasaacDescription}" TextWrapping="Wrap" FontSize="{Binding Source={x:Static vm:ConfigViewModel.Instance}, Path=FontSizeSmall}" Margin="0,0,0,10" />
 
-        <!-- Nowa Sekcja: Wykorzystanie ARASAAC -->
-        <TextBlock Text="Wykorzystanie ARASAAC" FontSize="18" FontWeight="Bold" Margin="0,10,0,5" />
-        <TextBlock
-            Text="ARASAAC (Aragonese Portal of Augmentative and Alternative Communication) dostarcza piktogramy używane w aplikacji ChatAAC. Dzięki ARASAAC, aplikacja umożliwia użytkownikom tworzenie komunikatów za pomocą wizualnych symboli, co wspiera efektywną komunikację osób z niepełnosprawnościami ruchowymi."
-            TextWrapping="Wrap" FontSize="14" Margin="0,0,0,10" />
+        <!-- Licenses Section -->
+        <TextBlock Text="{x:Static lang:Resources.AboutLicensesTitle}" FontSize="{Binding Source={x:Static vm:ConfigViewModel.Instance}, Path=FontSizeBig}" FontWeight="Bold" Margin="0,10,0,5" />
+        <TextBlock Text="{x:Static lang:Resources.AboutLicensesDescription}" TextWrapping="Wrap" FontSize="{Binding Source={x:Static vm:ConfigViewModel.Instance}, Path=FontSizeSmall}" Margin="0,0,0,10" />
 
-        <!-- Nowa Sekcja: Licencje -->
-        <TextBlock Text="Licencje" FontSize="18" FontWeight="Bold" Margin="0,10,0,5" />
-        <TextBlock
-            Text="ChatAAC jest dostępny na licencji MIT. ARASAAC piktogramy są używane zgodnie z warunkami licencji ARASAAC, która umożliwia ich wykorzystanie w aplikacjach wspomagających komunikację."
-            TextWrapping="Wrap" FontSize="14" Margin="0,0,0,10" />
-
-        <Button Content="Zamknij" Width="100" Height="30" HorizontalAlignment="Center" Command="{Binding CloseCommand}"
-                AutomationProperties.Name="Zamknij Przycisk" />
+        <Button Content="{x:Static lang:Resources.AboutCloseButton}" Width="100" Height="30" HorizontalAlignment="Center" Command="{Binding CloseCommand}" AutomationProperties.Name="{x:Static lang:Resources.AboutCloseButtonAutomation}" />
     </StackPanel>
 </Window>
\ No newline at end of file
diff --git a/ChatAAC/Views/ConfigWindow.axaml b/ChatAAC/Views/ConfigWindow.axaml
index 964019c..be4d10b 100644
--- a/ChatAAC/Views/ConfigWindow.axaml
+++ b/ChatAAC/Views/ConfigWindow.axaml
@@ -5,83 +5,89 @@
         mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
         xmlns:viewModels="clr-namespace:ChatAAC.ViewModels"
         xmlns:converters="using:ChatAAC.Converters"
+        xmlns:lang="clr-namespace:ChatAAC.Lang"
         x:Class="ChatAAC.Views.ConfigWindow"
         x:DataType="viewModels:ConfigViewModel"
-        Title="Ustawienia" Width="700" Height="700">
+        Title="{x:Static lang:Resources.SettingsWindowTitle}" Width="700" Height="700">
     <Window.Resources>
         <converters:StringNotEmptyToBoolConverter x:Key="StringNotEmptyToBoolConverter" />
     </Window.Resources>
-    <ScrollViewer>
-        <StackPanel Margin="20">
-            <!-- Wiadomość dla użytkownika -->
-            <TextBlock Text="{Binding Message}"
-                       Foreground="Red"
-                       FontSize="16"
-                       Margin="0,0,0,10"
-                       IsVisible="{Binding Message, Converter={StaticResource StringNotEmptyToBoolConverter}}" />
 
-            <TextBlock Text="Adres Ollama:" FontSize="18" Margin="0,0,0,5" />
-            <TextBox Text="{Binding OllamaAddress}" FontSize="16" Margin="0,0,0,20"
-                     AutomationProperties.Name="Pole tekstowe do wprowadzenia adresu Ollama" />
+    <Grid Margin="10">
+        <TextBlock Text="{x:Static lang:Resources.SettingsTitle}" FontSize="{Binding Source={x:Static viewModels:ConfigViewModel.Instance}, Path=FontSizeLarge}" FontWeight="Bold" Margin="0,0,0,20" />
 
-            <TextBlock Text="Wybór modelu:" FontSize="18" Margin="0,0,0,5" />
-            <ComboBox ItemsSource="{Binding Models}"
-                      SelectedItem="{Binding SelectedModel}"
-                      FontSize="16" Margin="0,0,0,20"
-                      AutomationProperties.Name="Lista wyboru modelu AI" />
+        <TabControl Margin="0,40,0,60">
+            <!-- General Settings Tab -->
+            <TabItem Header="{x:Static lang:Resources.GeneralTab}">
+                <StackPanel Margin="10" Spacing="10">
+                    <TextBlock Text="{x:Static lang:Resources.OllamaAddressLabel}" FontSize="{Binding Source={x:Static viewModels:ConfigViewModel.Instance}, Path=FontSize}" />
+                    <TextBox Text="{Binding OllamaAddress}" FontSize="{Binding Source={x:Static viewModels:ConfigViewModel.Instance}, Path=FontSizeSmall}" AutomationProperties.Name="Ollama Address" />
+                    <TextBlock Text="{x:Static lang:Resources.SelectModelLabel}" FontSize="{Binding Source={x:Static viewModels:ConfigViewModel.Instance}, Path=FontSize}" />
+                    <ComboBox ItemsSource="{Binding Models}" SelectedItem="{Binding SelectedModel}" FontSize="{Binding Source={x:Static viewModels:ConfigViewModel.Instance}, Path=FontSizeSmall}" />
+                    <TextBlock Text="{x:Static lang:Resources.ProgramLanguageLabel}" FontSize="{Binding Source={x:Static viewModels:ConfigViewModel.Instance}, Path=FontSize}" />
+                    <ComboBox ItemsSource="{Binding Languages}" SelectedItem="{Binding SelectedLanguage}" FontSize="{Binding Source={x:Static viewModels:ConfigViewModel.Instance}, Path=FontSizeSmall}" />
+                </StackPanel>
+            </TabItem>
 
-            <TextBlock Text="Pliki tablicy AAC:" FontSize="18" Margin="0,0,0,5" />
-            <Grid ColumnDefinitions="*, Auto" Margin="0,0,0,10">
-                <Button Grid.Column="1" Content="Dodaj plik"
-                        Command="{Binding AddBoardCommand}"
-                        FontSize="16"
-                        AutomationProperties.Name="Przycisk do dodania nowego pliku tablicy AAC" />
-            </Grid>
-            <ListBox ItemsSource="{Binding BoardPaths}"
-                     MaxHeight="100" Margin="0,0,0,20"
-                     AutomationProperties.Name="Lista wybranych plików tablicy AAC">
-                <ListBox.ItemTemplate>
-                    <DataTemplate>
-                        <Grid ColumnDefinitions="*, Auto">
-                            <TextBlock Text="{Binding}"
-                                       ToolTip.Tip="{Binding}"
-                                       AutomationProperties.Name="Ścieżka do pliku tablicy AAC" />
-                            <Button Grid.Column="1" Content="Usuń" x:CompileBindings="False"
-                                    Command="{Binding DataContext.RemoveBoardCommand, RelativeSource={RelativeSource AncestorType=Window}}"
-                                    CommandParameter="{Binding}"
-                                    FontSize="14"
-                                    AutomationProperties.Name="Przycisk do usunięcia pliku tablicy AAC" />
-                        </Grid>
-                    </DataTemplate>
-                </ListBox.ItemTemplate>
-            </ListBox>
+            <!-- Board Management Tab -->
+            <TabItem Header="{x:Static lang:Resources.BoardsTab}">
+                <StackPanel Margin="10" Spacing="10">
+                    <TextBlock Text="{x:Static lang:Resources.ShowSymbolsLabel}" FontSize="{Binding Source={x:Static viewModels:ConfigViewModel.Instance}, Path=FontSize}" />
+                    <CheckBox Content="{x:Static lang:Resources.IncludeSexSymbols}" IsChecked="{Binding ShowSex}" FontSize="{Binding Source={x:Static viewModels:ConfigViewModel.Instance}, Path=FontSizeSmall}" />
+                    <CheckBox Content="{x:Static lang:Resources.IncludeViolenceSymbols}" IsChecked="{Binding ShowViolence}" FontSize="{Binding Source={x:Static viewModels:ConfigViewModel.Instance}, Path=FontSizeSmall}" />
+                    <TextBlock Text="{x:Static lang:Resources.DefaultBoardLabel}" FontSize="{Binding Source={x:Static viewModels:ConfigViewModel.Instance}, Path=FontSize}" />
+                    <ComboBox ItemsSource="{Binding BoardPaths}" SelectedItem="{Binding DefaultBoardPath}" FontSize="{Binding Source={x:Static viewModels:ConfigViewModel.Instance}, Path=FontSizeSmall}" />
+                    <TextBlock Text="{x:Static lang:Resources.AACBoardFilesLabel}" FontSize="{Binding Source={x:Static viewModels:ConfigViewModel.Instance}, Path=FontSize}" />
+                    <Grid ColumnDefinitions="*, Auto">
+                        <Button Content="{x:Static lang:Resources.AddFileButton}" Command="{Binding AddBoardCommand}" FontSize="{Binding Source={x:Static viewModels:ConfigViewModel.Instance}, Path=FontSizeSmall}" />
+                    </Grid>
+                    <ListBox ItemsSource="{Binding BoardPaths}" MaxHeight="150" Margin="0,10,0,10">
+                        <ListBox.ItemTemplate>
+                            <DataTemplate>
+                                <Grid ColumnDefinitions="*, Auto">
+                                    <TextBlock Text="{Binding}"
+                                               ToolTip.Tip="{Binding}"
+                                               AutomationProperties.Name="Ścieżka do pliku tablicy AAC" />
+                                    <Button x:CompileBindings="False" 
+                                            Grid.Column="1" Content="Usuń"
+                                            Command="{Binding DataContext.RemoveBoardCommand, RelativeSource={RelativeSource AncestorType=Window}}"
+                                            CommandParameter="{Binding}"
+                                            FontSize="{Binding Source={x:Static viewModels:ConfigViewModel.Instance}, Path=FontSizeSmall}"
+                                            AutomationProperties.Name="{x:Static lang:Resources.BoardPathTooltip}" />
+                                </Grid>
+                            </DataTemplate>
+                        </ListBox.ItemTemplate>
+                    </ListBox>
+                </StackPanel>
+            </TabItem>
 
-            <TextBlock Text="Wybierz domyślną tablicę:" FontSize="18" Margin="0,0,0,5" />
-            <ComboBox ItemsSource="{Binding BoardPaths}"
-                      SelectedItem="{Binding DefaultBoardPath}"
-                      FontSize="16" Margin="0,0,0,20"
-                      AutomationProperties.Name="Lista wyboru domyślnej tablicy" />
+            <!-- Display Settings Tab -->
+            <TabItem Header="{x:Static lang:Resources.DisplayTab}">
+                <StackPanel Margin="10" Spacing="10">
+                    <TextBlock Text="{x:Static lang:Resources.FontSizeLabel}" FontSize="{Binding Source={x:Static viewModels:ConfigViewModel.Instance}, Path=FontSize}" />
+                    <Slider Minimum="10" Maximum="30" Value="{Binding FontSize}" />
+                    <TextBlock Text="{x:Static lang:Resources.ButtonSizeLabel}" FontSize="{Binding Source={x:Static viewModels:ConfigViewModel.Instance}, Path=FontSize}" />
+                    <Slider Minimum="50" Maximum="150" Value="{Binding ButtonSize}" />
+                </StackPanel>
+            </TabItem>
 
-            <TextBlock Text="Widok piktogramów:" FontSize="18" Margin="0,0,0,5" />
-            <CheckBox Content="Symbole związane z seksualnością"
-                      IsChecked="{Binding ShowSex}" Margin="0,0,0,5"
-                      FontSize="16"
-                      AutomationProperties.Name="Przełącznik pokazywania symboli związanych z seksualnością" />
-            <CheckBox Content="Symbole związane z przemocą"
-                      IsChecked="{Binding ShowViolence}" Margin="0,0,0,20"
-                      FontSize="16"
-                      AutomationProperties.Name="Przełącznik pokazywania symboli związanych z przemocą" />
+            <!-- Advanced Tab -->
+            <TabItem Header="{x:Static lang:Resources.AdvancedTab}">
+                <StackPanel Margin="10" Spacing="10">
+                    <TextBlock Text="{x:Static lang:Resources.CacheDirectoryLabel}" FontSize="{Binding Source={x:Static viewModels:ConfigViewModel.Instance}, Path=FontSize}" />
+                    <TextBox Text="{Binding CacheDirectory}" IsReadOnly="True" FontSize="{Binding Source={x:Static viewModels:ConfigViewModel.Instance}, Path=FontSizeSmall}" />
+                    <Button Content="{x:Static lang:Resources.ClearCacheButton}" Command="{Binding ClearCacheCommand}" FontSize="{Binding Source={x:Static viewModels:ConfigViewModel.Instance}, Path=FontSizeSmall}" />
+                    <TextBlock Text="{x:Static lang:Resources.BackupSettingsLabel}" FontSize="{Binding Source={x:Static viewModels:ConfigViewModel.Instance}, Path=FontSize}" />
+                    <Button Content="{x:Static lang:Resources.ExportSettingsButton}" Command="{Binding ExportSettingsCommand}" FontSize="{Binding Source={x:Static viewModels:ConfigViewModel.Instance}, Path=FontSizeSmall}" />
+                    <Button Content="{x:Static lang:Resources.ImportSettingsButton}" Command="{Binding ImportSettingsCommand}" FontSize="{Binding Source={x:Static viewModels:ConfigViewModel.Instance}, Path=FontSizeSmall}" />
+                </StackPanel>
+            </TabItem>
+        </TabControl>
 
-            <TextBlock Text="Język programu:" FontSize="18" Margin="0,0,0,5" />
-            <ComboBox ItemsSource="{Binding Languages}"
-                      SelectedItem="{Binding SelectedLanguage}"
-                      FontSize="16" Margin="0,0,0,20"
-                      AutomationProperties.Name="Lista wyboru języka interfejsu" />
-
-            <Button Content="Zapisz" Command="{Binding SaveCommand}"
-                    Width="200" Height="60" FontSize="18" Margin="0,20,0,0"
-                    Classes="accent" HorizontalAlignment="Right"
-                    AutomationProperties.Name="Przycisk Zapisz - zapisuje wszystkie ustawienia" />
+        <!-- Footer Buttons -->
+        <StackPanel Orientation="Horizontal" HorizontalAlignment="Right" VerticalAlignment="Bottom">
+            <Button Content="{x:Static lang:Resources.AboutButton}" Command="{Binding OpenAboutWindowCommand}" Width="80" FontSize="{Binding Source={x:Static viewModels:ConfigViewModel.Instance}, Path=FontSizeSmall}" Margin="0,0,10,0" />
+            <Button Content="{x:Static lang:Resources.SaveButton}" Command="{Binding SaveCommand}" Width="80" FontSize="{Binding Source={x:Static viewModels:ConfigViewModel.Instance}, Path=FontSizeSmall}" />
         </StackPanel>
-    </ScrollViewer>
+    </Grid>
 </Window>
\ No newline at end of file
diff --git a/ChatAAC/Views/MainWindow.axaml b/ChatAAC/Views/MainWindow.axaml
index afaedc3..10dd664 100644
--- a/ChatAAC/Views/MainWindow.axaml
+++ b/ChatAAC/Views/MainWindow.axaml
@@ -6,7 +6,8 @@
         x:Class="ChatAAC.Views.MainWindow"
         x:DataType="vm:MainViewModel"
         xmlns:local="clr-namespace:ChatAAC.Helpers"
-        Title="ChatAAC" Width="1280" Height="960">
+        xmlns:lang="clr-namespace:ChatAAC.Lang"
+        Title="{x:Static lang:Resources.MainWindowTitle}" Width="1280" Height="960">
     <Window.Resources>
         <converters:ColorConverter x:Key="ColorConverter" />
         <converters:StringToBitmapConverter x:Key="StringToBitmapConverter" />
@@ -73,10 +74,10 @@
                                         <Image
                                             Source="{Binding Image.ImagePath, Converter={StaticResource StringToBitmapConverter}}"
                                             Width="80" Height="80"
-                                            AutomationProperties.HelpText="{Binding Label, StringFormat='Wybrany piktogram: {0}'}" />
+                                            AutomationProperties.HelpText="{Binding Label, StringFormat={x:Static lang:Resources.SelectedPictogramHelpText}}" />
                                         <TextBlock Text="{Binding Label}"
                                                    HorizontalAlignment="Center"
-                                                   FontSize="18"
+                                                   FontSize="{Binding Source={x:Static vm:ConfigViewModel.Instance}, Path=FontSizeBig}"
                                                    Margin="0,5,0,0"
                                                    MaxWidth="80"
                                                    TextAlignment="Center"
@@ -92,10 +93,11 @@
                         Classes="control" Background="#4CAF50"
                         Command="{Binding ClearSelectedCommand}"
                         Width="120" Height="160"
-                        AutomationProperties.Name="Przycisk wyczyść tekst">
+                        AutomationProperties.Name="{x:Static lang:Resources.ClearTextButtonAutomation}">
                     <StackPanel>
                         <Image Source="avares://ChatAAC/Assets/clear-icon.png" Width="60" Height="60" />
-                        <TextBlock Text="Wyczyść tekst" HorizontalAlignment="Center" FontSize="16"
+                        <TextBlock Text="{x:Static lang:Resources.ClearTextButton}" HorizontalAlignment="Center"
+                                   FontSize="{Binding Source={x:Static vm:ConfigViewModel.Instance}, Path=FontSize}"
                                    TextAlignment="Center" TextWrapping="Wrap" />
                     </StackPanel>
                 </Button>
@@ -107,16 +109,19 @@
                     <Grid ColumnDefinitions="*,Auto,Auto">
                         <!-- Tense Controls -->
                         <StackPanel Grid.Column="0" Orientation="Horizontal" Spacing="10">
-                            <TextBlock Text="Czas:" VerticalAlignment="Center" FontSize="14" />
+                            <TextBlock Text="{x:Static lang:Resources.TenseLabel}" VerticalAlignment="Center"
+                                       FontSize="{Binding Source={x:Static vm:ConfigViewModel.Instance}, Path=FontSizeSmall}" />
                             <StackPanel Orientation="Horizontal" Spacing="5">
                                 <Button Classes="control" Width="80" Height="60"
                                         Command="{Binding SelectTenseCommand}"
                                         CommandParameter="Przeszły"
                                         Background="{Binding SelectedTense, Converter={StaticResource EqualityToBrushConverter}, ConverterParameter=Przeszły}"
-                                        AutomationProperties.Name="Czas przeszły">
+                                        AutomationProperties.Name="{x:Static lang:Resources.PastTenseAutomation}">
                                     <StackPanel>
                                         <Image Source="avares://ChatAAC/Assets/past-icon.png" Width="30" Height="30" />
-                                        <TextBlock Text="było" HorizontalAlignment="Center" FontSize="16"
+                                        <TextBlock Text="{x:Static lang:Resources.PastTense}"
+                                                   HorizontalAlignment="Center"
+                                                   FontSize="{Binding Source={x:Static vm:ConfigViewModel.Instance}, Path=FontSize}"
                                                    TextAlignment="Center" TextWrapping="Wrap" />
                                     </StackPanel>
                                 </Button>
@@ -124,10 +129,12 @@
                                         Command="{Binding SelectTenseCommand}"
                                         CommandParameter="Teraźniejszy"
                                         Background="{Binding SelectedTense, Converter={StaticResource EqualityToBrushConverter}, ConverterParameter=Teraźniejszy}"
-                                        AutomationProperties.Name="Czas teraźniejszy">
+                                        AutomationProperties.Name="{x:Static lang:Resources.PresentTenseAutomation}">
                                     <StackPanel>
                                         <Image Source="avares://ChatAAC/Assets/present-icon.png" Width="30" Height="30" />
-                                        <TextBlock Text="jest" HorizontalAlignment="Center" FontSize="16"
+                                        <TextBlock Text="{x:Static lang:Resources.PresentTense}"
+                                                   HorizontalAlignment="Center"
+                                                   FontSize="{Binding Source={x:Static vm:ConfigViewModel.Instance}, Path=FontSize}"
                                                    TextAlignment="Center" TextWrapping="Wrap" />
                                     </StackPanel>
                                 </Button>
@@ -135,10 +142,12 @@
                                         Command="{Binding SelectTenseCommand}"
                                         CommandParameter="Przyszły"
                                         Background="{Binding SelectedTense, Converter={StaticResource EqualityToBrushConverter}, ConverterParameter=Przyszły}"
-                                        AutomationProperties.Name="Czas przyszły">
+                                        AutomationProperties.Name="{x:Static lang:Resources.FutureTenseAutomation}">
                                     <StackPanel>
                                         <Image Source="avares://ChatAAC/Assets/future-icon.png" Width="30" Height="30" />
-                                        <TextBlock Text="będzie" HorizontalAlignment="Center" FontSize="16"
+                                        <TextBlock Text="{x:Static lang:Resources.FutureTense}"
+                                                   HorizontalAlignment="Center"
+                                                   FontSize="{Binding Source={x:Static vm:ConfigViewModel.Instance}, Path=FontSize}"
                                                    TextAlignment="Center" TextWrapping="Wrap" />
                                     </StackPanel>
                                 </Button>
@@ -147,29 +156,34 @@
 
                         <!-- Form Controls -->
                         <StackPanel Grid.Column="1" Orientation="Horizontal" Spacing="10" Margin="20,0">
-                            <TextBlock Text="Forma:" VerticalAlignment="Center" FontSize="14" />
+                            <TextBlock Text="{x:Static lang:Resources.FormLabel}" VerticalAlignment="Center"
+                                       FontSize="{Binding Source={x:Static vm:ConfigViewModel.Instance}, Path=FontSizeSmall}" />
                             <StackPanel Orientation="Horizontal" Spacing="5">
                                 <Button Classes="control" Width="90" Height="60"
                                         Command="{Binding SelectFormCommand}"
                                         CommandParameter="Oznajmująca"
                                         Background="{Binding SelectedForm, Converter={StaticResource 
                                         EqualityToBrushConverter}, ConverterParameter=Oznajmująca}"
-                                        AutomationProperties.Name="Forma oznajmująca">
+                                        AutomationProperties.Name="{x:Static lang:Resources.DeclarativeFormAutomation}">
                                     <StackPanel>
                                         <Image Source="avares://ChatAAC/Assets/declarative-icon.png" Width="30"
                                                Height="30" />
-                                        <TextBlock Text="Oznajmująca" FontSize="14" HorizontalAlignment="Center" />
+                                        <TextBlock Text="{x:Static lang:Resources.DeclarativeForm}"
+                                                   FontSize="{Binding Source={x:Static vm:ConfigViewModel.Instance}, Path=FontSizeSmall}"
+                                                   HorizontalAlignment="Center" />
                                     </StackPanel>
                                 </Button>
                                 <Button Classes="control" Width="90" Height="60"
                                         Command="{Binding SelectFormCommand}"
                                         CommandParameter="Pytająca"
                                         Background="{Binding SelectedForm, Converter={StaticResource EqualityToBrushConverter}, ConverterParameter=Pytająca}"
-                                        AutomationProperties.Name="Forma pytająca">
+                                        AutomationProperties.Name="{x:Static lang:Resources.QuestionFormAutomation}">
                                     <StackPanel>
                                         <Image Source="avares://ChatAAC/Assets/question-icon.png" Width="30"
                                                Height="30" />
-                                        <TextBlock Text="Pytająca" FontSize="14" HorizontalAlignment="Center" />
+                                        <TextBlock Text="{x:Static lang:Resources.QuestionForm}"
+                                                   FontSize="{Binding Source={x:Static vm:ConfigViewModel.Instance}, Path=FontSizeSmall}"
+                                                   HorizontalAlignment="Center" />
                                     </StackPanel>
                                 </Button>
                             </StackPanel>
@@ -180,29 +194,35 @@
                             <Button Classes="control" Background="#2196F3"
                                     Command="{Binding LoadMainBoardCommand}"
                                     Width="120" Height="60"
-                                    AutomationProperties.Name="Przycisk powrotu do głównego widoku">
+                                    AutomationProperties.Name="{x:Static lang:Resources.BackButtonAutomation}">
                                 <StackPanel>
                                     <Image Source="avares://ChatAAC/Assets/back-icon.png" Width="30" Height="30" />
-                                    <TextBlock Text="Powrót" HorizontalAlignment="Center" />
+                                    <TextBlock Text="{x:Static lang:Resources.BackButton}"
+                                               FontSize="{Binding Source={x:Static vm:ConfigViewModel.Instance}, Path=FontSizeSmall}"
+                                               HorizontalAlignment="Center" />
                                 </StackPanel>
                             </Button>
                             <Button Classes="control" Background="#9C27B0"
                                     Command="{Binding OpenHistoryCommand}"
                                     Width="120" Height="60"
-                                    AutomationProperties.Name="Historia wpisów">
+                                    AutomationProperties.Name="{x:Static lang:Resources.HistoryButtonAutomation}">
                                 <StackPanel>
                                     <Image Source="avares://ChatAAC/Assets/history-icon.png" Width="30" Height="30" />
-                                    <TextBlock Text="Historia" HorizontalAlignment="Center" />
+                                    <TextBlock Text="{x:Static lang:Resources.HistoryButton}"
+                                               FontSize="{Binding Source={x:Static vm:ConfigViewModel.Instance}, Path=FontSizeSmall}"
+                                               HorizontalAlignment="Center" />
                                 </StackPanel>
                             </Button>
 
                             <Button Classes="control" Background="#757575"
                                     Command="{Binding OpenSettingsCommand}"
                                     Width="120" Height="60"
-                                    AutomationProperties.Name="Przycisk otwarcia ustawień">
+                                    AutomationProperties.Name="{x:Static lang:Resources.SettingsButtonAutomation}">
                                 <StackPanel>
                                     <Image Source="avares://ChatAAC/Assets/settings-icon.png" Width="30" Height="30" />
-                                    <TextBlock Text="Ustawienia" HorizontalAlignment="Center" />
+                                    <TextBlock Text="{x:Static lang:Resources.SettingsButton}"
+                                               FontSize="{Binding Source={x:Static vm:ConfigViewModel.Instance}, Path=FontSizeSmall}"
+                                               HorizontalAlignment="Center" />
                                 </StackPanel>
                             </Button>
 
@@ -228,7 +248,6 @@
                                     Background="{Binding Button.BackgroundColor, Converter={StaticResource ColorConverter}}"
                                     Command="{Binding DataContext.ButtonClickedCommand, RelativeSource={RelativeSource AncestorType=Window}}"
                                     Classes="symbol"
-
                                     Classes.folder="{Binding Button.LoadBoard}"
                                     AutomationProperties.HelpText="{Binding Button.Label}"
                                     Focusable="True"
@@ -241,7 +260,7 @@
                                         AutomationProperties.HelpText="{Binding Button.Label}" />
                                     <TextBlock Text="{Binding Button.Label}"
                                                HorizontalAlignment="Center"
-                                               FontSize="18"
+                                               FontSize="{Binding Source={x:Static vm:ConfigViewModel.Instance}, Path=FontSizeLarge}"
                                                Margin="0,5,0,0"
                                                TextAlignment="Center"
                                                TextWrapping="Wrap" />
@@ -257,10 +276,12 @@
                     Command="{Binding PreviousBoardCommand}"
                     HorizontalAlignment="Left" VerticalAlignment="Bottom"
                     Width="70" Height="60" Margin="20"
-                    AutomationProperties.Name="Poprzednia tablica">
-                 <StackPanel>
-                     <TextBlock Text="←" HorizontalAlignment="Center" FontSize="28" />
-                     <TextBlock Text="Wstecz" HorizontalAlignment="Center" />
+                    AutomationProperties.Name="{x:Static lang:Resources.PreviousBoardAutomation}">
+                <StackPanel>
+                    <TextBlock Text="←" HorizontalAlignment="Center" FontSize="28" />
+                    <TextBlock Text="{x:Static lang:Resources.PreviousBoard}" 
+                               FontSize="{Binding Source={x:Static vm:ConfigViewModel.Instance}, Path=FontSizeSmall}"
+                               HorizontalAlignment="Center" />
                 </StackPanel>
             </Button>
 
@@ -268,10 +289,12 @@
                     Command="{Binding NextBoardCommand}"
                     HorizontalAlignment="Right" VerticalAlignment="Bottom"
                     Width="70" Height="60" Margin="20"
-                    AutomationProperties.Name="Następna tablica">
+                    AutomationProperties.Name="{x:Static lang:Resources.NextBoardAutomation}">
                 <StackPanel>
                     <TextBlock Text="→" HorizontalAlignment="Center" FontSize="28" />
-                    <TextBlock Text="Dalej" HorizontalAlignment="Center" />
+                    <TextBlock Text="{x:Static lang:Resources.NextBoard}" 
+                               FontSize="{Binding Source={x:Static vm:ConfigViewModel.Instance}, Path=FontSizeSmall}"
+                               HorizontalAlignment="Center" />
                 </StackPanel>
             </Button>
         </Grid>
@@ -282,7 +305,10 @@
                 IsHitTestVisible="{Binding IsLoading}">
             <StackPanel HorizontalAlignment="Center" VerticalAlignment="Center">
                 <ProgressBar IsIndeterminate="True" Width="200" Height="20" />
-                <TextBlock Text="Ładowanie..." Foreground="White" FontSize="16" Margin="10,10,0,0"
+                <TextBlock Text="{x:Static lang:Resources.LoadingText}"
+                           Foreground="Chartreuse"
+                           FontSize="{Binding Source={x:Static vm:ConfigViewModel.Instance}, Path=FontSizeBig}"
+                           Margin="10,10,0,0"
                            HorizontalAlignment="Center" />
             </StackPanel>
         </Border>