At step 3 of the install (see 2.2), the Vivant installer allows the user to select which components to install. The are all optional, but are recommended.
The default Vivant install includes all of the following components.
Vivant Examples - Example webpages as well as an example PowerPoint Presentation
Vivant Documentation - The Vivant documentation
PowerPoint Menu Add-In - Adds a new helper menu to PowerPoint. It is highly recommended, though it is not strictly required.
Firefox / Mozilla Plugin - Enables Vivant support in Firefox