Windows 8.1 is a personal computer operating system that was produced by Microsoft and released as part of the Windows NT family of operating systems. It was released to manufacturing on August 27, 2013, and reached general availability on October 17, 2013, about a year after the retail release of its predecessor. Windows 8.1 was made available as a free upgrade for retail copies of Windows 8 and Windows RT users via the Windows Store.
Required video card 1366 × 768 screen resolution DirectX 9 graphics processor with WDDM driver
Some features such as touch may require a new PC.
A TV tuner is required to play and record live TV in Windows Media Center. Free Internet TV content varies by geography, some content may require additional fees.
