How to Upgrade to Windows 8.1 from earlier versions of Windows

Microsoft has released the final version of the Windows 8.1 operating system. And there are a ways to upgrade  to Windows 8.1 from earlier versions of Windows.

Windows 8 Pro users can upgrade to Windows 8.1 free from Windows Store. If you have any problems with upgrading then visit there and you can find solution. If you are using Windows 7 or earlier version, then you can visit this page and website give you methods how you can upgrade it.

But only Windows 8 Pro users can upgrade to Windows 8.1 for free, for another versions its not free. You can download Windows 8.1 file from there and install on your computer manually ( its a trial version, 90 days ).

Activator for Windows 8.1 all version