Windows 7 's market share increased to more than 48 % of desktop operating systems as of June 2016 .
In just six months , over 100 million copies had been sold worldwide , increasing to over 630 million licenses by July 2012 , and a market share of 47.17 % of `` desktop operating systems '' as of November 2016 according to Net Applications , making it the most widely used version of Windows.
Windows 7