Getting-Started/Installation-and-Testing.md

@@ -122,7 +122,32 @@ The GUI should then open in the browser.
 
 For a first install, only Python notebooks are available in Jupyter. The Support for C#,
 resp. `dotnet-interactive` must be added. 
+1. The available kernels can be listed by
+   `jupyter kernelspec list` in a python-aware terminal:
+```code
+flori@Stormbreaker:~$ jupyter kernelspec list
+Available kernels:
+  python3    /usr/local/share/jupyter/kernels/python3
+``` 
+2. Next, `dotnet interactive` must be installed:
+```code
+dotnet tool install -g --add-source "https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools/nuget/v3/index.json" Microsoft.dotnet-interactive
+```
+3. Then install the Jupyter kernel:
+```code
+dotnet interactive jupyter install
+```
+4. Verify that Jupyter supports C#:
+```code
+flori@Stormbreaker:~$ jupyter kernelspec list
+Available kernels:
+  .net-csharp        /home/flori/.local/share/jupyter/kernels/.net-csharp
+  .net-fsharp        /home/flori/.local/share/jupyter/kernels/.net-fsharp
+  .net-powershell    /home/flori/.local/share/jupyter/kernels/.net-powershell
+  python3            /usr/local/share/jupyter/kernels/python3
+```
 
+Really easy, isn't it?
 
 ## Notes on Third-party libraries