Instructions for Upgrading to Windows Vista From a Legacy Windows OS

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Check this out: we've just today launched a page that clearly explains how to upgrade your existing system in-place from a legacy Windows OS to any Windows Vista version; or, in the case of certain systems, whether you'll need to perform a completely clean installation. Certain legacy OS' require a full system installation while others will allow for an in-place upgrade. Depending on where you're coming from and where you're going, you should determine which scenario applies to you -- which you can easily do via this handy little chart:

For example, per the above chart, you'll note that if you're moving to any version of Windows Vista from 64-bit Windows XP or Windows 2000, you'll be required to perform a complete re-installation of the OS.

Pretty handy.