Now enter slmgr /cpky and hit Enter then wait for this to complete. 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 unlicensed mode.

Once this command will execute we need to restart, the system will be in an Unlicensed state unless a new product key is installed.Įnter slmgr /upk and Hit enter then wait for this to complete. The /upk parameter uninstalls the product key of the current Windows edition.

Slmgr /upk It stands for uninstall product key.

So below are the steps to remove activation key from the system: See below URL for activation issue error code and details: Like “you have reached multiple activation limits” or “Unable to activate the windows with entered key.” Like if we are using OEM OR Multiple activation keys and doing above without following the same. If we are a formatting system or removing before the license, it may cause you to activate the system back with same License key. This is very important for any admin to make sure before formatting any of system remove license which exist It will work for window operating system all versions. This is about how to Reset or Remove Windows Activation/Remove license key using a command.

Clean master pc activation key