Step 1
Attach the cable modem's power adapter into an electrical beginning and plug the Ethernet cable into your cable modem's Ethernet port and AirPort Express Ethernet port.

Step 2
Click "Go" at the peak of your computer's screen and click "Utilities" from the drop-down menu. Click "AirPort Utility" to sprint the application.

Step 3
Click "AirPort Express" from the uncovered devices list and click "Continue."

Step 4
Type in a name for your network and create a password. Click "Finish" to total the installation and start utilizing your cable modem.