How Do I Remove the Windows 10 Key from My Computer?

Press Windows key + X then click Command Prompt (Admin). At the command prompt, enter the following command: slmgr. vbs /upk. This command uninstalls the product key, which frees the license for use elsewhere.

Can I transfer my Windows 10 license to a new computer?

If its a full retail store bought license online or offline, it is transferable to a new computer or motherboard. If its the free upgrade from a retail store bought Windows 7 or Windows 8 license, it is transferable to a new computer or motherboard.

Can I reuse my Windows 10 key?

As long as the license is no longer in use on the old computer, you can transfer the license to the new one. There is no actual deactivation process, but what you can do is simply format the machine or uninstall the key.