Alessandro Catorcini and Rick DeJarnette provide instructions on getting the Microsoft Internet Information Server (IIS) SEO toolkit up and running, including insight on the minimum installation requirements. The tool works as an extension of the latest version of IIS, ver. 7.
Catorcini and DeJarnette explain you'll need to download the version of the toolkit that works with the type of Windows you run. And if you're not sure if it's Windows 32-bit or 64-bit, the two provide directions on how to check.