Step 3 : During the installation, a window will pop up asking you to enter a product key. Step 2 : Open the downloaded file and begin the installation Step 1 : Download Windows 10 directly from Microsoft’s website Even if you don’t have a product key, you’ll still be able to use an unactivated version of Windows 10, although some features may be limited.
Microsoft allows absolutely anyone to download and install Windows 10 on their computers for free. To help clear some of the confusion, here are the answers to four commonly asked questions about Windows 10 activation and product keys: 1] Can I Install and Use Windows 10 without Activation? While the Windows 10 free upgrade offer expired in 2018, a lot of users are still asking how activation works, and whether they need a new product key to use Windows 10. It’s also possible to use a limited version of Windows 10 without activating it at all. While some versions still need a product key, Microsoft also introduced a different method called “ digital entitlement”. Microsoft’s changed the way activation works on Windows 10.