How Do I Change My Windows Product Key?

Change the Product Key in Windows 7, Vista, & XP

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Changing the product key that you used to install Windows with might be necessary if you find out that your current product key is... well, illegal, and you've purchased a new copy of Windows to solve the problem.

While I think it's less common these days, many people still use product key generators or other illegal tools to get product keys that work to install Windows only to find out later, when they try to activate Windows, that their original plan isn't going to work out.

You could completely reinstall Windows using your new, valid key code, but changing the product key without reinstalling is considerably easier.

"How Do I Change My Windows Product Key?"

You can change the product key in Windows by making certain registry changes or by using a wizard available in Control Panel.

The steps involved in changing your product key differ considerably depending on which Windows operating system you're using:

See What Version of Windows Do I Have? if you're not sure which of those several versions of Windows is installed on your computer.

Important: Please be aware that you'll be required to reactivate Windows after changing the product key.

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