Whether you want to set up a dual-boot system, you’re ready to migrate all the way to Windows 7 RC from XP, or something in between, here’s what you need to know.
Dual Boot Windows 7 with XP or Vista
Upgrade from Windows 7 Beta to RC
Upgrade from Vista to Windows 7
There’s really nothing to this; Windows 7 provides a direct upgrade path to Windows 7 from Vista, which means that when you install Windows 7, all you need to do is select the Upgrade option when you run the Windows 7 installation. Note: Windows 7 requires that you’ve installed Vista Service Pack 1 in order to upgrade.
Migrate from Windows XP to Windows 7
If you’ve made the early adopter move to Windows 7 and you took a different upgrade route, let’s hear more about how you did it in the comments.