updated readme according to #232

README.md

@@ -65,10 +65,10 @@ Demo data and the pre-built application versions can be found on our [Github Rel
 
 for contributions and when compiling from source windows is the recommended platform but it can be run on osx with .net 5.0 as well.
 
-* install [dotnet 6.0 sdk and dotnet 5.0 sdk](https://dotnet.microsoft.com/download)
+* install [dotnet 6.0 sdk](https://dotnet.microsoft.com/download)
 * `git clone [email protected]:pro3d-space/PRo3D.git`
 * run `build.cmd` or `./build.sh`
-* `dotnet run --project src/PRo3D.Viewer/PRo3D.Viewer.fsproj` or open `/src/PRo3D.sln` with Visual Studio 2019
+* `dotnet run --project src/PRo3D.Viewer/PRo3D.Viewer.fsproj` or open `/src/PRo3D.sln` with Visual Studio 2022
 
 A reconstruction of the Cape Desire outcrop at the rim of Victoria crater can be found [here](http://download.vrvis.at/realtime/PRo3D/CapeDesire/Cape_Desire_RGB.zip). For loading the data please watch the video-based introduction to PRo3D can be found in the [Getting Started](http://www.pro3d.space/#started) section of [PRo3D.space](http://www.pro3d.space)