Windows 7 / 10 / 11: How to Uninstall a Product Key

Windows 7 / 10 / 11: How to Uninstall a Product Key

The following instructions explain how to properly uninstall a product key in an OEM license.

Note! Use these instructions only if you intend to reinstall the system or switch to a different device!

To uninstall the product key from the registry, go to the command prompt, then go to the search box in the Start menu and type: cmd.exe

Then right-click / Run as administrator

And enter the following commands:

slmgr.vbs /upk

slmgr.vbs /cpky

slmgr.vbs /rearm



Restart your computer after entering the commands.


What these commands do:
slmgr.vbs /upk - Deactivates the system.
slmgr.vbs /cpky - Removes the key from the registry.
slmgr.vbs /rearm - Resets the system trial period - an additional 30 days of system use.




Done! You cantransfer the key you just uninstalled to another computer or install a different product key on your Windows operating system—it is recommended to use the same Microsoft account.

Here you canbuy an OEMkey :

Windows 10 Pro KEY
Windows 10 Home KEY