license transfer

Most Windows 10 users who meet Windows 11’s hardware rules can upgrade and keep their existing license — the process is usually automated, free, and handled by Microsoft’s activation servers — but there are important caveats: license type (retail vs. OEM), major hardware swaps (especially the...

If i decide that i want to uninstall windows 8 from my computer, can i then install it on another using the same product key that i used on the first or is it once used you cannot recover your product key?

Preface: I'm building my own computer from scratch after having headaches with my current one (a Dell) for about 4 years. Seeing since it's come from Dell, they've saved me the pain of installing Windows 7 myself, and have also handily provided me with a sticker that displays Proof of License...

Hi guys. I'm new here, so hoping not to tread on any toes ;-) My query is on behalf of a friend who's not particularly computer literate, and I'm hoping some of you experts can help us. He currently has a new machine with WIN8 on it. He prefers the WIN7 on his old machine, but loves the speed...

I am trying to move the Win 7 from laptop to another how to activate it on the older and install it on the new one. I don't remember how the activation proceeded on the old one. Please advise it's urgent, I am prompted to activate win7 within 7 days.

I purchased a Win 7 Home Premium Upgrade and upgraded my computer from XP to Home Premium, but then I further upgraded my pc's to Window's Ultimate and have different product keys being used for these. I am wondering if I might be able to unregister/deregister my product key so I can sell this...