JMH Moderator, News & Information, BSOD Kernel Dump Analyst, Contributor Joined Apr 2, 2012 Posts 7,197 Mar 14, 2014 #1 Windows 8.1 is a free upgrade to Windows 8. It’s what the original Windows 8 should have been, with important improvements for both desktop and tablet users. So why are more people using Windows 8 than Windows 8.1? It’s hard not to see this as a failure for Microsoft. Windows 8.1 is the first “new version” of Windows they’ve given out for free to existing users and most Windows 8 users aren’t biting. Click to expand... Why Have Most Windows 8 Users Not Upgraded to Windows 8.1?