Same thing happened to my brother when his home computer was automatically upgraded to Windows 10. It worked fine except that it refuses to go to certain web sites using Internet Explorer (or Edge) and Google Chrome. So he reverted back to Windows 7 and all is well.
I personally upgraded from Windows 7 (desktop) and Windows 8.1 (laptop) to Windows 10 and I do not have any issues. Windows 10 works with the following astro devices:
A-P1100GTO mount using A-P V2 ASCOM driver
QSI660wsg camera including filter wheel
Optec/Starlight Instruments Focus Boss II auto focuser
QHY PoleMaster polar alignment camera
I actually like Windows 10 a lot.
Peter