I installed Windows 10 Pro brand new sealed the key code says not working I scratched to read the code it was valid how do I know if my activation wen

[Joseph Group]

I installed Windows 10 Pro from Windows 7 starter with nude CD activation code the key was valid as it was never opened I had to scratch off to read the new code but when I entered all the digits at the end it says he not working how what key should I put to fix this

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