Windows 11 Upgrade from Home to Pro Not Working

[Windows 11]

Hi,I have a laptop that came with Windows 11 Home Edition and I purchased a retail key for Windows 11 Pro Edition.I attempted to change the product key in System > Activation but I received an error, then followed the steps here:Redirecting laptop did some updates, after which I tried entering the key, however, I'm receiving a new error as follows: We can't activate Windows on this device because the product key was already used on another device. If you think

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