It’s legal to install Windows 10 before you activate it, but you’ll not be able to personalize it or access some other features.

How long can you use Windows 10 without activation?

Windows 10, unlike its previous versions, doesn’t force you to enter a product key during the setup process. You get a Skip for now button. Post-installation, you should be able to use Windows 10 for the next 30 days without any limitations.

Can I use Windows 10 without activating?

Thus, Windows 10 can run indefinitely without activation. So, users can utilize the unactivated platform for as long as they wish at the moment. Note, however, that Microsoft’s retail agreement only authorizes users to utilize Windows 10 with a valid product key.