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Move to the next enter slmgr /rearm and wait for this to complete. The screenshot is given below for the same result which will be on the screen.

Once this command will execute, this will remove the product key from the registry, if it's still there. The /cpky option removes the product key from the registry to prevent this key from being stolen or taken by malevolent code. This will uninstall the current product key from Windows and will move Windows to the unlicensed mode. Once this command will execute, we need to restart and the system will be in an unlicensed state unless a new product key is installed.Įnter slmgr /upk and hit enter. The /upk parameter uninstalls the product key of the current Windows edition.

Login to the system with an admin account and open cmd with run as admin rights. The steps are given below to remove the activation key from the system: See the URL for the activation issue error code and the details. We will be getting an error like “you have reached multiple activation limit” or “Unable to activate the windows with entered key.” If we are formatting the system or removing before license, it may cause you to activate the system back with the same license key, if we are using OEM or multiple activation key and doing the above without following the same process. This is very important for any admin to make sure before formatting any system just remove the license which exists in the systems or are activated. It will work for Windows operating system in all versions. I am writing about how to reset or remove Windows Activation/Remove license key, using a command.