About Genuine Windows

Genuine Windows is published by Microsoft, properly licensed, and supported by Microsoft or a trusted partner. Only customers with genuine Windows have access to all optional updates and downloads available from Microsoft, which are designed to help you get the most from your PC.

Here are answers to some common questions about genuine Windows.

How are activation and genuine Windows connected?
How do I know if I'm running genuine Windows?
I see messages that Windows might not be genuine. How do I fix this?
Can I install my copy of Windows on more than one PC?
If my PC is running non-genuine Windows can it still receive critical security updates?
What is validation?
What are the most common reasons why Windows might fail validation?
How do I report counterfeit software?


Article ID: 15087 - Last Review: 31 Aug 2016 - Revision: 65