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People also ask
Why do so many computers have the same Windows 10 product key?
Millions of computers have the same Windows 10 product keys. That’s because Windows 10 uses digital licenses for activation based upon the computers unique hardware IDs instead of product keys for activation. The only function of a unique product key in Windows 10 is to initially establish the digital license.
Can I use a Windows 10 Pro product key to activate another?
For instance, if you are removing a Windows 10 Pro product key, you can only use it to activate another Windows 10 Pro installation. You can’t use a Pro license to activate a machine running the Home edition of Windows 10.
What is a Windows 10 product key used for?
That is a generic product key used to install Windows 10 on your three computers and several million other ones. Activation of those three computers and any others were done by sending the specific hardware information about each computer to Microsoft Activation Servers.
How to reuse Windows 10 product key from another computer?
Type the following command to reuse the Windows 10 product key from another computer and press Enter: slmgr /ipk xxxxx-xxxxx-xxxxx-xxxxx-xxxxx. In the command, replace xxxxx-xxxxx-xxxxx-xxxxx-xxxxx with the product key you want to use to activate Windows 10.