Just FYI for any new-comers trying to learn about X#... I found the YouTube channel "XSharp Academy", and it has one video that basically covers "downloading and installing Visual Studio, X#, and XIDE editor.
https://www.youtube.com/channel/UCFqLBM ... 4xRxFGLiVA
It doesn't go into creating any project or apps, but maybe those videos will come along later.