How to Activate Windows 10 With Product Key But if you don’t want, you can skip to the free methods for activating Windows 10 ahead. Whether you’re running a 32bit or 64bit version of Windows 10, the Windows 10 activation methods we will be sharing works on the following edition of Windows 10:īefore we dive into the methods of activating Windows 10 for free permanently without a product key, you may also be interested to read how to activate Windows 10 with a product key and a digital license. We’ll show you how to activate Windows 10 legally and for free. Activating your copy of the Windows 10 OS only takes a few easy steps.