you’re able to only drop in the product key or license on one computer.
If you want to use that license on another computer, then you gotta deactivate the old computer.
This post mainly teaches you how to deactivate Windows 10/11 by uninstalling theWindows product keyor license.

Check how to uninstall Windows product key with CMD below.
Note:If the Windows 11/10/8/7 OS comes preinstalled with the OEM computer, then the license is non-transferable.
you might also receive regular Windows updates.
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Some other apps and features on your box may also stop working.
You will also see a message at the right-bottom of your desktop screen saying Activate Windows.
Go to controls to activate Windows.
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Still, you will also see this message in tweaks.
This post provides 12 tips to help you fix Windows 11/10 activation/product key not working issue.
How to Activate Windows 10/11 3 Ways
Way 1.
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Activate Windows 10/11 from tweaks
Way 2.
Activate Windows 10/11 with CMD
Way 3.
Bottom Line
This post teaches you how to deactivate Windows 10/11 by uninstalling the product key.
you could use the product key to activate a new computer.
For how to activate Windows 10/11, this post also provides some ways for your reference.
If you have other computer problems, you may find an answer fromMiniTool News Center.
This post introduces the top 10 free product key finder software.