While the CD is installing Plug in the Apple Airport to the wall, and connect the ethernet wall jack to the Airport

Open the AirPort Utility

If it detects firmware updates are available, press download

Click continue on the Airport Utility

Give your Airport a Unique Name, and security password.

Select "I do not have a wireless network and I want to create one"

Continue

Name the Wireless Point and create a WPA/WPA2 password to enable wireless security

Select "I connect to the Internet with a DSL or cable modem using DHCP"

Click Update

Continue

Wait for the router to restart, and AirPort Utility to Detect Apple Devices

This method didn't work for me, so I had to close out the AirPort Utility and use my wireless client to reconnect to the new network.

Open the Airport Utility Again or Restart it.

It should display a problem called: Double NAT

Select Bridge Mode and Continue

Update, and Continue

An error may occur when reconnecting again, close the Airport Utility and connect with your wireless client again.

Working Method Not discovered.