steps you need to follow in order to configure your router:
1. Make sure the extender is on
2. connect a cable from the extender to the computer or connect your computer wirelessly to the default SSID of your linksys extender
3. Pull up a browser and at the top on the address bar type in https://extender.linksys.com or 192.168.1.1 and hit enter
4. You will directed to the Linksys extender setup screen, all you need is now follow the instructions and comoplete the setup.