Steam ends support for Windows XP and Vista

Valve has announced that Steam has discontinued support for older Windows operating systems. So: Windows XP and Windows Vista will no longer support Steam.

Starting January 1, 2019, Steam no longer supports Windows XP or Windows Vista. valve Revealed  this move in an update to a  Steam support article . After January 1, 2019, Steam will no longer launch on both operating systems.  Users still running XP or Vista will have to upgrade to Windows 7 or higher to continue using Steam and play their games. 

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