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How to know for sure if Windows 10 is Genuine?
I upgraded to Windows 10 through the GWX app from a Windows7 installation. It had an OEM key, and most probably not genuine , however after I upgraded, i noticed that I now had a new retail key, and it showed as permanently activated even in CMD. I know that its probably a genuine version now, but is there any surefire way of knowing? Thanks in advance.