Microsoft Windows 7

This is a subject credit entry for publications which focus on the Microsoft Windows 7 computer operating system. Windows 7 is a personal computer operating system that was produced by Microsoft as part of the Windows NT family of operating systems. It was released to manufacturing on July 22, 2009 and became generally available on October 22, 2009, less than three years after the release of its predecessor, Windows Vista. Windows 7's server counterpart, Windows Server 2008 R2, was released at the same time. Microsoft ended mainstream support for Windows 7 on January 13, 2015 and extended support ended on January 14, 2020.