We have just release a new ThinServer version which is compatible with Windows build 2004
Your Windows 10 ThinServer will work when you upgrade to this version of Windows ( MS normally target at May ). We got you covered !
As for the demo version of ThinServer, we have updated it to work with Windows build 1909. You may use this FREE version as your work from home solution. It is a fully functional software with DELAY
http://www.aikotech.com/thinserver