How to know if Windows 10 is Genuine?

I got a Windows 10 License from my office which I added to my home PC and its bound to my Microsoft account. Its a Volume_MAK key. In microsoft devices page>Device info it shows up as

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What is this Unknown beside serial#?
 
Solution


Those sets of keys indicate your were running a volume license client copy of WIndows. The volume License copies of Windows 10 are only licensed to larger companies doing large deployments of WIndows.


Did you custom build your computer?


Hold down the Windows Key and press Pause/Break. A window called "System" will show up. In Windows 10, all you need to know is that if it says "Activated", it's all good to go. There's no section called Windows Genuine Advantage or anything like that.
 


Yes, it is a custom built PC. On system properties it says activated and registered to my email id.
 


Those sets of keys indicate your were running a volume license client copy of WIndows. The volume License copies of Windows 10 are only licensed to larger companies doing large deployments of WIndows.


 
Solution

Oh, thats not an issue as I have the Key used by those companies