If you have an old Windows 7 or Windows 8 PC lying around, you may still be able to reuse its key to activate Windows 10. Packrat’s loophole: Try a Windows 7 or 8 key Microsoft (Legitimately for free, because installing Windows 10 without ever activating it doesn’t quite count as getting a full, sanctioned copy of Windows.) If you’re lucky, you could technically get Windows 10 for free.
The amount you’ll save depends on how much hassle you can tolerate-as well as your circumstances. Yes, it’s possible to snag a discount on Windows 10. Medium-to-high effort: Education discount ($0-$15).Medium effort: Trying a Windows 7 or 8 key (Free).Easy, with a caveat: Third-party sellers ($33-$35).The list below outlines our suggested methods, with links to the explanations of each.