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Forums - PC Discussion - Question about Windows license key

I'm preparing to do a clean install of Windows on my PC. But I'm wondering how the license key registers and un-registers. Does it only do that when you're connected to the internet?

I'm asking because I don't want to be in a situation where I install Windows again and use the same license key, but get a message saying "This license key is already in use".

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If it's Windows 10 and you bought it from an OEM (Dell, HP, etc...) the key is burned into the motherboard.

Massimus - "Trump already has democrat support."

It should be stuck to your computer, if you don't swap out any hardware during the re-install, it should recognize your key automatically.
Am I glad I don't have to deal with Windows keys anymore though.

It's tied to your account.

I have mine tied to my Windows account, rather than the system itself.