AdDuplex: Just 15% of Windows phones in the US are running Windows 10 Mobile November 24, 2016 by admin Tweet With Microsoft making no effort to encourage eligible users to upgrade to Windows 10 Mobile, 85% of US Windows phone owners remain on older versions of the OS. Check out more data from AdDuplex here. Read more… Neowin Related Posts:Windows 11 struggles to reach 20% share according to…Windows 11 growth reportedly stalled in March 2022Someone got ChatGPT to run on Windows 98 and other…Microsoft is halting some updates for older versions…Windows 11 now makes up 16.1% of modern Windows computers