Windows support is definitely a second class feature in Qubes, across the board. I don't think many of the core developers actually use or particularly care about Windows.

It should run a standalone Windows VM just fine, though I've not played with that. I've not had any real need for Windows in years - and if you think you need it for games, go try a recent Ubuntu/Steam/Proton configuration and see how it works out.

Windows templates work great for me! I think a big part of the reason I didn't pick it up for daily use before was assuming windows support was not that great. It's definitely specialized, but pretty well supported IMO.

1. I have completely offline templates that I use like vaults, mostly to run rufus and create USB sticks. 2. I have templates to test and build software for work where I baked SSH and VPN keys into the template, but the system drive (including my user account data and settings) get reverted every reboot and the only persistent data, like version tracked project code, is on the extra D: drive. 3. I have FlareVM template setup to do dynamic analysis in disposable qubes without any network connection. They have the integrated file and clipboard transfer to get samples in and keep notes externally.

The only real issue I have noticed is resizing the screen repeatedly seems to crash the GUI driver somehow. The window disappears and I have to kill the Qube. Usually I just resize once when starting, if at all, so it's not a big deal.