Windows 10: How to know if your windows copy is genuine ??

I am having problems with my device. My windows is deactivated and whenever I try to activate it fails and show the error code 0x8007007B. I don't know what to do. I am having doubts that my windows copy might not be genuine. Is there any way to know if the windows is genuine or not?

:)

 

Windows 7 not genuine problem

It seems like that's an OEM windows copy, it will do that the every time you reinstall the OS. If you have the key, next time you see the "not genuine windows copy" click it and choose to activate by phone, everything else is pretty straight forward as it explains step-by-step. If it doesn't work, then its highly likely that you got a Pirate copy.

 

Windows 7 Genuine...

That's what I was thinking too? If I bought a Win7 and I activate my key how would it become a non-genuine key in a couple months?*Wtf :wtf:

...and I thought pirated OS's could receive updates, so how will they get this new update to check if it's genuine*Confused I know my copy is legit, but what if for some strange chance MS screwes up and falsely accuses me as non-genuine? I don't know if that's possible or not.

 

This copy of Windows 7 not genuine

I recieved the "Windows 7, Build 7601, This copy of Windows is not genuine", and so I began trying differents solutions on the internet to try and solve the issues. No Luck. So I looked on the System information panel and under Windows activation: "Status
Not Available" & "Productt ID: Not Available".

I ran the Microsoft Genuine Advantage Diagnostic Tool and the information generated for the Product Key doesnt match my Product Key? Any suggestions?