Apple AirPort Extreme 802.11n (4th Generation) - Manual (Page 21)

Chapter 3 Setting Up the AirPort Extreme 21
On a Macintosh computer using Mac OS X v10.5.7 or later:
1 Open AirPort Utility, located in the Utilities folder in your Applications folder.
2 Select your base station and click Continue.
3 Follow the onscreen instructions to set up your AirPort Extreme and your wireless
network.
On a computer using Windows XP (with Service Pack 3) or Windows Vista (with
Service Pack 1):
1 Open AirPort Utility, located in Start > All Programs > AirPort.
2 Select your base station and click Continue.
3 Follow the onscreen instructions to set up your AirPort Extreme and your wireless
network.
The setup assistant in AirPort Utility asks you a series of questions about the type of
network you want to use and the services you want to set up. The setup assistant helps
you enter the appropriate settings.
If you are using your AirPort Extreme to connect to the Internet, you need a broadband
(DSL or cable modem) account with an Internet service provider (ISP), or a connection
to the Internet using an existing Ethernet network. If you received specific information
from your ISP (such as a static IP address or a DHCP client ID), you may need to enter it
in AirPort Utility. Have this information available before you set up your
AirPort Extreme.