Windows Product Key has already been used on another device

[Biosham]

Gemibook - Can't Activate Windows

Thanks, I’ll try it… Also found eventually we don’t need to use external tools, we can get the product key from command line: Windows 10 came preinstalled on my computer, how do I find the product key? Press Windows key + X Click Command Prompt (admin) Enter the following command: wmic path SoftwareLicensingService get OA3xOriginalProductKey Hit Enter The product key will be revealed, copy the product key then enter it Click Start > Settings > Update & security > Activation > Change the…