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Steam has now officially stopped supporting Windows 7, Windows 8, and Windows 8.1.
(www.theverge.com)
This is a most excellent place for technology news and articles.
That is up to you of course. Luckily I left Microsoft Windows 12 years ago. No more.
For 90% of what I want to do it's fine. I mainly code in c# so it's actually better supported on windows then anywhere else.
Everything else I have WSL setup.