Place your extender near to the modem( within ten feet) and press the reset key for 30 seconds. Go to your computer or phone and open browser and type 192.168.3.1 in the top url bar. It will ask for your login information (default username and password is admin for both). Then it will open setup page. Just follow the instructions and your extender will get connect to the internet. Once it get configured you can connect any device with the network.