Microsoft's Windows 8.1 has moved out of mainstream support, meaning that users are essentially running a dead OS. But there's still one more way to upgrade to Windows 10 for free.
By Mark Hachman
Senior Editor, PCWorld
If you’re still running Windows 8.1, be advised that Microsoft shut down mainstream support a week ago. But there’s still a last-ditch upgrade path to Windows 10: Microsoft’s assistive technology loophole, which closes January 16.