How do I upgrade Vista to Windows 7?

Episode 955 (2:20:18)

Tim from Wisconsin

Leo says as long as he has the license key, he can just reinstall it. He should look for a partition on the hard drive which may have the Windows 7 restore partition. Ideally, though, he should get a Windows 7 upgrade disc and start from scratch. The chatroom has come through again with this article on how to download an official ISO of Windows 7.