How To Uninstall System Product Key?

When we are activating or using the system, we sometimes encounter some errors, such as the activation code is invalid, the activation code expires, and we need to uninstall the original activation code. So how do we uninstall the system product key?

Open Windows "Start", click "Run"

Open Windows “Start”, click “Run”

Input "cmd"

Input “cmd”

Boot up a Command Prompt

Boot up a Command Prompt

Input "slmgr.vbs -upk",Remove the existing Product Key

Input “slmgr.vbs -upk”,Remove the existing Product Key

slmgr.vbs -upk

This method is applicable to multiple Windows systems, such as Windows 7 / 8 / 8.1 / 10 / 11, WIndows Server 2008 / 2008 R2 / 2012 / 2012 R2 / 2016 / 2019 / 2022. It is not limited to the system edition, such as standard, enterprise, datacenter, home, pro ( professinal ), essentials, ultimate, web, hpc, express, premium, education, Pro for Worksations, education N etc