Set up a new base station using AirPort Utility on Mac
You can set up a new base station using AirPort Utility on your Mac or AirPort Utility for iOS on your iOS device. See About AirPort Utility for iOS.
Physically connect the base station to your modem
Connect the power lead to the Power port on your base station, then plug the power lead into a power point.
Connect an Ethernet cable to the WAN port on your base station, then plug it into your DSL or cable modem.
Note: If you don’t use a modem, or connect in a different way, get connection instructions from your ISP.
Set up the base station using your Mac
On your Mac, click the Wi-Fi icon in the menu bar, then choose the base station listed under New AirPort Base Station.
Follow the onscreen instructions.
AirPort Utility Setup Assistant automatically provides the best solution for your network. If no network is found, the setup assistant creates a new network; if a network is already set up, the setup assistant extends the existing network (see Extend an existing Wi-Fi network).
If you want to set up your network using different settings, click Other Options.
Set up the base station using your iOS device
On your iOS device, go to Settings > Wi-Fi, then tap the name of your base station (for example, “AirPort Extreme 0affff”) listed under “Set up new AirPort base station”.
Follow the onscreen instructions.
AirPort Utility for iOS Setup Assistant automatically provides the best solution for your network. If no network is found, the setup assistant creates a new network; if a network is already set up, the setup assistant extends the existing network (see Extend an existing Wi-Fi network).
If you want to set up your network using different settings, tap Other Options.
If you have configuration instructions from an ISP, or just want to configure your Internet and Wi-Fi connection yourself, see the following topics:
Detailed information about wireless networking, including a variety of support articles and a PDF of the setup guide that came with your base station, is available on the AirPort Support website.
After you complete the setup process, you have additional options for configuring your network. For example, you can:
Stream iTunes content using AirPlay (if you have an AirPort Express)