Only tablets with Windows RT were unable to start following the download. Oct. 21, 2013— -- Desktop users may be rejoicing the return of the Windows start button, but people who use Microsoft ...

If you installed Windows 8.1 Preview by using a downloaded ISO on a DVD or USB memory drive, you'll be able to upgrade as normal (through the store), but Windows 8.1 won't activate without a valid ...

Microsoft has fixed its Windows RT 8.1 update, which was causing installation issues for some Surface RT users, and made it available again for download from the Windows Store.

Microsoft wants developers of Windows 8/8.1 applications in the Microsoft Store to port their apps to Windows 10, and it described some coming app deadlines, perhaps as an incentive.