further updates to User Manual

fellow/Docs/WinFellow/WinFellow User Manual.lyx

@@ -112,7 +112,7 @@ User Manual
 \end_layout
 
 \begin_layout Date
-v0.5.9 (2023/08/25)
+v0.5.9 (2023/08/27)
 \end_layout
 
 \begin_layout Author
@@ -424,10 +424,6 @@ WinFellow is highly optimized for execution on low-end systems.
  It can be executed on any of the following operating systems:
 \end_layout
 
-\begin_layout Itemize
-Windows Vista
-\end_layout
-
 \begin_layout Itemize
 Windows 7
 \end_layout
@@ -471,23 +467,7 @@ Direct3D 11
 Support for Direct3D 11 can be enabled in the display configuration settings,
  which enhances performance on systems that support it.
  It requires DirectX 11 to be installed, which is available for Windows
- Vista, 7, 8, 8.1 and 10.
-
-\end_layout
-
-\begin_layout Standard
-For execution on Windows Vista, the 
-\begin_inset CommandInset href
-LatexCommand href
-name "platform update (KB971644)"
-target "https://support.microsoft.com/en-us/kb/971644"
-literal "false"
-
-\end_inset
-
- should be installed, as it contains required updates to DirectX.
- The graphics card has to provide hardware acceleration for Direct3D.
-
+ 7, 8, 8.1 and 10.
 \begin_inset Newpage pagebreak
 \end_inset