Vista lets you share your Internet connection with other computers on your network.
Logically enough, the feature that lets you do this is called Internet Connection Sharing, which gets abbreviated to ICS.
ICS can be a great way of saving time and money: instead of needing a modem and a phone line (or a DSL or cable modem) for each computer that needs Internet connectivity, you can get by with one modem and one phone line (or the equivalent). ICS is particularly good if you have a fast Internet connection such as a DSL or a cable modem that provides enough bandwidth for several computers under normal circumstances.
Set Up the Computer That Will Share the Connection
Start with the computer that will share the Internet connection. First set up your Internet connection,and then use the Network Setup Wizard to configure the computer by taking the following steps. More »