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Clear Windows Product Key From Registry

Last Updated on October 7, 2020 by admin 6 Comments

In Vista and Windows 7, when you activate your copy of Windows by entering a product key, Windows saves the product key deep in the Registry. The saved product key comes useful when you want to reinstall Windows 7 without entering the product key.

Since there are many applications available to retrieve the Windows product key from the Registry, you might want to delete the product key from the Registry to avoid someone extracting the key from the Registry with the help of software and then use it on his/her PC to activate Windows copy.

Luckily, Windows allows you to delete the product key from the Registry without deactivating your activation. And the good thing is that you don’t need to search for the key in the Registry. You just need to execute a command at the Command Prompt to clear the key from Registry.

Delete Windows product key from Registry

Follow the given below directions to quickly remove the product key from the Registry.

Step 1: In your Start Menu Search box, type CMD and simultaneously press Ctrl + Shift + Enter keys to open the Command Prompt as Administrator. It’s a must to launch Command Prompt as administrator.

Step 2: In the elevated prompt, type the following command and press the Enter key to delete the product key from the Registry.

slmgr –cpky

Wait for “Product key from Registry cleared successfully” confirmation message and then, restart your PC. That’s it!

As said before, deleting the product key from Registry will have no effect on the current activation status of your Windows operating system. If you use a product key retrieving application now, it will either won’t show the product key or display a generic key.

Before deleting the product key from the Registry, make sure that you have a copy of the product key which you will need to activate Windows 7 after the reinstall!

Filed Under: Vista Tweaks

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Comments

  1. admin says

    April 19, 2012 at 11:06 am

    Strange! Sorry for the inconvenience. Are you using a genuine copy of Windows? If yes, please activate Windows again.

  2. vinay says

    April 19, 2012 at 7:18 am

    yeah..it gave message that succesful..bt ma system s nw flagged with not genuine….message islike this..windows 7
    build 7606 this copy of windows is not genuine..with black background… i’ve to activate windows today.. please give me a solution..

  3. Choto Cheeta says

    April 3, 2011 at 10:38 pm

    I think this method is valid for Windows 7 / Vista and the Server 2008 versions.. It may not work in legacy Windows systems..

    Thanks..

  4. Daz says

    January 26, 2011 at 6:22 am

    It Is a non worker on the Sony Vaio VGN-A517s.
    Any help please.??

  5. Sultan says

    April 23, 2010 at 3:36 pm

    Thank you very much! You really helped me out.

  6. Chris says

    March 15, 2010 at 5:07 pm

    Excellent tip! This should teach those nosy tech guys at the computershop when they “test” your defective hard drive before replacing it ;) THANKS!

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