About Genuine Windows

Applies to: Windows 8.1


Genuine versions of Windows are published by Microsoft, properly licensed, and supported by Microsoft or a trusted partner. You'll need a genuine version of Windows to access the optional updates and downloads that help you get the most from your PC. 

To learn how to activate Windows, see Activate Windows 7 or Windows 8.1If you're using Windows 10, see Activation in Windows 10.

Here are answers to some common questions about genuine Windows software.