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Windows 12 May Require a Subscription
(www.pcmag.com)
This is a most excellent place for technology news and articles.
This website is a godsend https://www.protondb.com/
You can search any game in steam, and it will tell you exactly what to expect.
For most games, it's as simple as checking one box in the steam settings for the first time.
Also https://areweanticheatyet.com for just anti-cheat compatibility of non-Steam games. Also has Steam games but you might as well check ProtonDB for those.
Tbh you don't even need to check unless it's a competitive multiplayer game or something with anti cheat. I just buy games and assume they work.