diff --git a/README.md b/README.md
index 14c3156d..b426e601 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# File manager written in TypeScript & React
+# Cross-platform File manager for Windows, Mac, Linux
 
 ![master Tests](https://github.com/warpdesign/react-explorer/actions/workflows/github-actions-tests.yml/badge.svg?branch=master)
 
@@ -8,15 +8,33 @@
 
 - Split-view window
 - Tabs support
+- Media File Preview
 - Fully keyboard controlled
-- Fully localized (French & English available)
-- Dark Mode with automatic detection (macOS Mojave)
+- Fully localized
+- Dark Mode with automatic detection
 - Open a terminal from any folder
 - Plugin-based filesystem support
-- WSL detection on Windows
+- WSL integration (Windows)
 
 ## Feature tour
 
+### Trully Cross-platform
+
+React-Explorer is available on every major operating systems & architectures:
+
+ - Windows x66, AARCH64
+ - Linux x64, AARCH64
+ - macOS x64, AARCH64
+
+### Builtin media file preview
+
+Pressing the `space` bar when a file is selected will open the media preview.
+If the file format is supported, it will be displayed without needing any additional
+library:
+
+![media-preview](./img/media-preview.gif)
+
+
 ### Dark theme automatic detection (macOS Mojave)
 
 React-Explorer will automatically switch to dark-theme when it's detected:
@@ -45,11 +63,11 @@ By right-clicking on a tab's icon you can quickly get access to the parents of t
 
 React-Explorer will automatically detect and show the list of Linux distributions installed using WSL on Windows:
 
-![parent-folders](./img/feature-wsl.jpg)
+![wsl-support](./img/feature-wsl.jpg)
 
 ## Requirements
 
-React-Explorer works on any modern Windows, Mac or Linux computer.
+React-Explorer works on any modern **Windows**, **Mac** or **Linux** **64bit** computer.
 
 ## Building for local development
 
@@ -147,7 +165,7 @@ As a starting point you may use the `FsGeneric` skeleton.
 
 ## Acknowledgments
 
-React-Explorer makes use of the following tools/components:
+React-Explorer makes use of the following libraries/components:
 
 - [React](https://reactjs.org)
 - [Electron](https://electron.s.org)
diff --git a/img/media-preview.gif b/img/media-preview.gif
new file mode 100644
index 00000000..9b5e6656
Binary files /dev/null and b/img/media-preview.gif differ
diff --git a/package-lock.json b/package-lock.json
index 7e9811a3..71a4a68c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
     "name": "react-explorer",
-    "version": "4.0.0",
+    "version": "4.0.0-rc.1",
     "lockfileVersion": 3,
     "requires": true,
     "packages": {
         "": {
             "name": "react-explorer",
-            "version": "4.0.0",
+            "version": "4.0.0-rc.1",
             "hasInstallScript": true,
             "license": "MIT",
             "dependencies": {
diff --git a/package.json b/package.json
index df15c7e9..3f186a77 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "react-explorer",
-    "version": "4.0.0",
+    "version": "4.0.0-rc.1",
     "description": "Plugin-based file explorer written with React",
     "main": "build/main.js",
     "build": {