If you went through the Apple setup when you first turned on your Mac, or if you entered all of the information yourself, most of the details in the Internet preferences are already filled in for you.
The .Mac pane (pronouned dot mac) gives you yet another chance to buy a .Mac membership account, if you haven’t already (see pages xxi–xxii). Click the “Sign Up” button and your Mac will connect to the Internet and take you to Apple’s web site. If you have an account, your member name and password will be filled in for you in this pane. Apple is not an Internet Service Provider—even though you have a .Mac account, ...