Latest Win10 insider build activates with older Windows product keys
 

Microsoft released a new beta version of Windows 10 for Windows Insiders in the fast ring today. The biggest change this time around: you'll be able to use your Windows 7, 8, or 8.1 product key to activate Windows 10 directly.

This change stems from the fact that some users couldn't activate Windows 10 online after upgrading. When this new build goes live, users will be able to enter their old ...

http://techreport.com/news/29182/lat...s-product-keys