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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.
Vista was amazing and 8/8.1 was refreshing. Also, Vista introduced hardware accelerated desktop rendering in Windows, finally no more tearing. I enjoyed using them. I personally haven't had any gripes with any of the recent Windows versions.