Windows 8 is a personal computer operating system developed by ... - dofaq.co
windows 8

Windows 8 is a personal computer operating system developed by ...

wikipedia - 29 Jul 2015
Windows 8 is a personal computer operating system developed by Microsoft as part of the Windows NT family of operating systems. Development of Windows 8 started before the release of its predecessor, Windows 7, in 2009. It was announced at CES 2011, and followed by the release of three pre-release versions from September 2011 to May 2012. The operating system was released to manufacturing on August 1, 2012, and was released for general availability on October 26, 2012.

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