J
Jelly Shield
I just upgraded a significant portion of my PC, and to make sure that everything would work correctly I formatted the drive that Windows was installed on. Now that I've got a fresh installation of Windows 10 Pro, I'm getting an error message every time I try to activate it saying that my product key is incorrect - "The product key you entered didn't work. Check the product key and try again, or enter a different one. (0x80041023)". The product key I'm trying to use is from a physical installation disc of Windows 8 Pro, which to my knowledge has worked for me since I formatted this drive.
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