Windows 7: Product Key Number - Uninstall and Deactivate in Windows

How to Uninstall the Product Key Number and Deactivate Vista, Windows 7, or Windows 8


EXAMPLE: Watermark that indicates Windows is not activated
NOTE: This watermark will be at the bottom right corner of your desktop above the taskbar notification area.

 
Not activated
 Activated

Here's How:

1. Open an elevated command prompt.

2. Do either step 3 or 4 for what computer you want to uninstall the product key on and deactivate Windows on.

3. For a Local Computer
NOTE: This would your computer.

A) In the elevated command prompt, copy and paste the command below and press enter. (see screeshot below)

slmgr.vbs /upk

B) Go to step 5.

slmgr.vbs Computer-Name UserName Password /upk

 

B) Continue on to step 5.

5. Click on OK. (see screeshot below)

6. The Windows on the selected computer is now in a deactivated unlicensed state with the product key number removed. You will also now have the This copy of Windows is not genuine at the bottom right corner of your desktop until activated again.

7. Every time you restart the selected computer and log in, you will be presented with an option to activate Windows until you do so. (see screeshot below)

A) If you Click on the Type your product key Option

• You will be prompted to enter a valid product key number for that edition of Windows. If successful, it will activate Windows. (see screenshots below)

B) If you Click on the Ask me later Option

• Windows will continue to startup into the user account that you logged into, but will still be in a unlicensed state until you activate Windows using step 7A at the next restart or manually activate while still in Windows.

That's it,

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