How to Deactivate Windows 11 Activation Key
Deactivating your Windows 11 activation key removes the product key from your current PC, so you can use that license on another computer. You do it with a couple of short commands in the Command Prompt, and the product key is cleared from the system.
This removes the license only from the local computer. Your files, apps and settings are not touched. Windows 11 stays installed on the drive in an unactivated state until you enter a new key. An unactivated PC still runs, but you will see an Activate Windows watermark, and some personalization settings will be locked.
Before you start, check a few things:
- You need an administrator account on the PC.
- Make sure you have a copy of the key if you plan to reuse it. Retail keys can usually be moved to another PC. Keys tied to the hardware, such as OEM keys on a prebuilt PC, normally cannot.
- If your PC was activated with a digital license linked to your Microsoft account, there may be no key you can read. Removing the key does not delete the license from your account.
Open Command Prompt as administrator, then type slmgr /upk and press Enter to uninstall the product key. Next, type slmgr /cpky and press Enter to clear the key from the registry. Your Windows 11 will then be unactivated.
Summary
The whole job is a couple of commands in an elevated Command Prompt. Here is how to open it and what to do:
- Click the Start button and type Command Prompt.
- Right-click Command Prompt in the results and select Run as administrator.
- Click Yes if User Account Control asks for permission. A black window opens, and its title bar should say Administrator: Command Prompt. If it does not, close it and repeat the first two steps, because the commands will fail without admin rights.
- Run the commands shown below, one at a time, and press Enter after each one.
Windows usually shows a confirmation message after each command. If you see an error instead, the most common cause is a Command Prompt that was not opened as administrator.
To confirm the result, go to Settings System Activation The status should now show that Windows is not activated. If it still shows as activated, restart the PC and check again.
To undo this, or to activate the PC again later, go to Settings System Activation, select Change product key and enter a valid key. If you want to use the key on a new computer, enter it there in the same place.
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About the Author
Richard
Tech Writer, IT Professional
Richard is a writer at Geek Rewind who turns complex IT tasks into clear, step-by-step guides. He draws on years of hands-on experience in system administration and enterprise IT operations, focusing on Windows, Linux and WordPress: the problems people actually run into, and the fixes that work. His server and WordPress guides come from systems he runs himself. Richard builds and maintains the platform behind Geek Rewind, from its Ubuntu servers and Nginx configuration to its custom WordPress plugins. Many new tutorials start with readers' questions, and he's always glad to answer them in the comments.
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