If you upgraded to Windows 10 for free from Windows 8 / 7, you should have a digital license instead of a product key. Try searching your email for your order history, and you might find the key. If you purchased a digital copy of Windows 10 directly from Microsoft or Amazon with no disc or packaging, your product key will be within the confirmation email that came when you placed the order. It should look a lot like the image you see here. If you bought a physical copy of Windows 10, the product key should either be on a card inside the box, or a sticker on the DVD sleeve. Have you lost or misplaced your Windows 10 product key? Bought a new PC with Windows 10 preinstalled but with product key sticker missing? Don't worry! Depending on how you got a genuine copy of Windows 10, here are different ways to find Windows 10 product key.
