A new demo has been added in the Microsoft Windows XP Professional demo portion.The detail of this demo is

Title: Share a Folder

Objective: The objective of this demo is to teach you how to share a folder in Windows XP Professional.
You can share a file or folder so can other users in your network can access the shared folder and view its contents.

If you are a subscriber, then click the Demos link in the navigation menu to view the complete list of demos.