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Which product key is needed for clean install of windows
Hello,
I'm in the process of backing up data and product keys for a fresh install of Windows. Upon digging on google for how to find your windows product key, I found several ways to find it. My HP has a COA sticker with a Windows 7 product key. I also used Produkey, which gave me a Windows 10 Pro key. Thirdly, I used a script found here and turned into a .vbs file which returned a product key:
How to Find Your Lost Windows or Office Product Keys
All three of these Windows keys are different. This computer was purchased with Windows 7 Home Premium, which was later upgraded to Windows 8, and has since been upgrade to Windows 10 Pro. I've read that OEM product keys are tied to the hardware and that's the one I need, but I wanted to see if anyone else had anything to say. Will I still be able to install Windows 10 Pro with the old key, and if so, any ideas as to why the others are different?