Good day guys! I had received pop up images that Windows might want me to upgrade to Windows 8.1 for free. But i didn't click yes or ... Now that i want to upgrade my OS to Windows 8.1. Well now i can't because of this reason/matter that my edition of windows doesn't support updating from the store .  My laptop's OS is Windows 8 Pro with Media Center

How to upgrade from Windows 8 to Windows 8.1 without downloading from Store

How to Upgrade to Windows 8.1 Without Using the Windows Store

It says that it is a Windows 8 Preview that does means that it is a demo version?

Hi,

Some editions of Windows 8 don't support the update to Windows 8.1 from the Windows Store.

For more infomation, Update to Windows 8.1: FAQ

http://windows.microsoft.com/en-us/windows-8/upgrade-to-windows-8

Why can't I find the update in the Store?

http://windows.microsoft.com/en-us/windows-8/why-can-t-find-update-store

Regards,

D. Wu