How Do I Configure Airport Express to Wireless Network?
You can configure Airport Express easily by connecting to the secondary router using the Base Station Chooser in the setup program. Next, you can tap on the Manual Setup option and then hit on Airport, and after that, you can click on Wireless. Now, you can select the option– Extend a Wireless Network in the Wireless Mode menu. Choose the network name that you set earlier and type the password if you created one. Finally, Hit on Update button.