Where to find your product key depends on how you got your copy of Windows:įrom an authorized retailer. Microsoft’s website lists the following information about finding the Windows product key for Windows 10: There is an option to change the product key in the Settings, but there is no such thing to show the active Windows 10 product key. It turns out there is no easy answer to find this out. Windows is activated with a digital license linked to your Microsoft accountīut what is my Windows 10 product key? How to find out the currently installed license key of my Windows 10 installation? Where to find Windows 10 key? Maybe you want to backup the Windows 10 key just in case?