Windows 10 Is Here, but Maybe You Shouldn't Upgrade Just Yetĭepending on how you upgraded to Windows 10, the downgrade to Windows 8.1 or older option could vary for your computer. If you need assistance with going back to Windows 7 or Windows 8.1, here's a guide to help you get there. What to do now? Well, you can always downgrade from Windows 10 to Windows 7 or any other Windows version. So you downloaded Windows 10, played with its new features, but realised that this is not the operating system for you.