Development of Windows 8.1 is complete, confirming what we knew would be a significant update to...
Source: http://www.phonearena.com/news/Windows-8.1-now-RTM-general-availability-expected-October-17th_id46745
Source: http://www.phonearena.com/news/Windows-8.1-now-RTM-general-availability-expected-October-17th_id46745