Activation is a protection mechanism implemented in Windows 10 and earlier versions against piracy. It first appeared in Windows XP and exists with different changes and improvements in Windows Vista, Windows 7, Windows 8 and Windows 10. When activation is successful, usually it indicates that your copy of Windows is genuine. There may be times when you need to deactivate your copy of Windows 10 in order to transfer your license to another PC. Here is how you can deactivate your copy of Windows 10.
In this article, we will see how to deactivate Windows 10 by uninstalling the product key. Additionally, we will see how to install another product key instead.
To deactivate Windows 10 by uninstalling the product key, you need to do the following:
- Open an elevated command prompt.
- Type or paste the following command:
- Wait till the command finishes its work. At the end, you will see the following message:
Please keep in mind that if you reach the online activation limit, e.g. by activating many PCs with the same key, you may have to activate your copy of Windows by phone since the online activation will fail.
To install a new product key, you need to type the following command in the elevated command prompt:
slmgr -ipk your-new-product-key
We have a nice article which covers this process in detail: How to change Windows 10 product key.
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