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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.
I wish I was old enough to have access to install NT on the family compute at the time. My aunt and uncle had ME and it was bad enough that i knew to keep it off my family's machine. Instead I stuck with 98 SE until XP and it gave me an excuse to build a new machine at the same time.