Microsoft has officially confirmed that Windows 8 will be RTM’ed in Augest 2012. But General Availablity aka final version will be released in October 2012. So you can try the final version of windows 8 in October 2012. Windows 8 will be available in 109 languages across 231 markets worldwide.
Microsoft will also release RTM version of Windows Server 2012 in first week of August 2012.Windows Server 2012 will be generally available in September 2012 one month earlier than Windows 8 GA.
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