Here is another great download at the Microsoft Download Center – this one is for networking and sharing on Windows 7, Windows Server 2008 R2, Windows Vista and Windows Server 2008.
Network and Sharing Center provides a centralized location where you can view, create, and modify local area network (LAN), wireless local area network (WLAN), virtual private network (VPN), dial-up, and Broadband connections on your client and server computers. In addition, you can configure connections to the local computer and sharing options that specify the content that is available to other computers and devices on the network; and you can use Network and Sharing Center tools like Network Map and Network Location to view and specify additional settings about networks and network profiles.
By the way, this is an extensive document. There are 117 pages worth of information and it is in-depth.