Windows 10 is coming and you have a choice to make. Either you upgrade your existing Windows installation, or you can install Windows 10 from scratch. Heres how to get Windows 10 without losing your favorite software and settings. Dont Lose Anything: The Straight Upgrade If youre running Windows 7 or Windows 8, the easiest way to upgrade while keeping all your programs and settings is to use Windows Update to get Windows 10.