Whether you installed and activated Windows yourself, or it came preinstalled, your product key is stored in the BIOS. These days, if you buy a Windows 10 Home or Pro from the Microsoft Store or another online retailer like Amazon, it'll include a digital copy of your product key.īut if your computer is relatively new and came with Windows preinstalled, you might be wondering how to find your key – there's likely no sticker on the machine, and the computer manufacturer probably didn't include one in the box. Or if you bought a physical copy of Windows, your product key would be included somewhere in the box: A Windows 10 product key label - Source Usually you could find the sticker on the side of a desktop PC, or stuck to the bottom of a laptop: An old-school Windows product key sticker – Source What's a Windows 10 product key?Ī Windows product key or license is a 25 digit code used to activate your installation of Windows.īack in the day, all you had to do to find your Windows product key was look for a sticker somewhere on the machine. In this quick tutorial we'll go over what a Windows product key is, and I'll share several ways to find the product key on modern Windows machines. If you're having trouble finding your Windows 10 product key, we've got you covered.

Window 10 pro product key free