. I get it that Windows 7 will be out of support from Microsoft soon
Windows 7 End Of *Extended* support is January 14. It was End Of Life five years ago. FYI. It's not soon as in 'maybe sometime this year or next',
While it's still possible to have your toolchain target windows 7, the costs associated with supporting an unsupported operating system do not math. I'm not surprised at all that Win 7 is not supported.
FWIW, Win 10 is quite stable. I have it running on a tablet and it drives my whole show.