The AirPort Express is the router, but it is also a device to add AirPlay capabilities to an existing speaker. In such a situation, it helps in connecting Airport Express with the existing router. To connect the Airport Express with the existing router, you need to start by Plug in the AirPort express in the wall and wait for few seconds until it boots up. Now, go to the Wi-Fi settings of iPhone, Mac, or iPad and then join it with the new AirPort network. Click on the other options button and tap on “Add to an existing network.” Select your existing Wi-Fi network name from the list and then enter the password. 
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Unplug the airport express and plug it back in: anticipate it to restart. While the mild turns green, it has restarted and Pay Someone To Write A Research Paper connected to the wi-fi network. You can want to stop and restart iTunes. Reset the airport explicitly: you can do that with the aid of pressing the reset button on the lowest of the tool.