Flipkart Large Appliances Festival Sale 21 24 Oct Extra 15 Cashback with Citi Cards Windows 8 is a personal computer operating system developed byMicrosoft 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.[7] Windows 8 introduced major changes to the operating systems platform and user interface to improve its user experience on tablets, where Windows was now competing with mobile operating systems, includingAndroid and iOS.[8] In particular, these changes included a touch-optimized Windows shell based on Microsofts "Metro" design language, the Start screen (which displays programs and dynamically updated content on a grid of tiles...