Windows 8

Windows 8 is an operating system developed by Microsoft. It replaces Windows 7 and is replaced by the upcoming Windows 8.1. It reached RTM on 1/8/2012 and was released to general availability on 26/10/2012

Editions
It comes in 5 editions. They are - Windows 8, Windows 8 Single Language , Windows 8 Pro , Windows 8 Pro with Media center and Windows 8 Enterprise. The Enterprise edition is not available in retail. Windows 8 Pro with Media Center can be purchased for existing Windows 8 and Windows 8 Pro users. Windows 8 SL(Single Language) contains only 1 full language, unlike the other versions which can use up to 35 languages.

Media Center
Unlike Windows Vista and 7, Windows Media Center is not included by default in 'any' Windows 8 edition. Customers with existing Windows 8 users can purchase Media Center with the Windows 8 Pro Pack, which includes Windows 8 Pro with Media Center. Customers with existing Windows 8 Pro users can purchase Media Center with the Windows 8 Pro Pack, which was free previously under a promotional offer.(till 31/1/2013).