3 ms·Are win10 keys on Amazon legitimate, and how would I tell?by loeg 3y agoAre win10 keys on Amazon legitimate, and how would I tell?stagger87 3y agoYou could also buy a Win11 key directly from MS which will activate a Win10 installation if you're worried about legitimacy.loeg 3y agoAh, as long as Win11 keys can activate Win10, that works.