Http//extender.linksys.com  is the web address for Linksys extender setup. Connect your device to the extender's WiFi first. Open any browser and type  http//extender.linksys.com  (note: the correct format is  http://extender.linksys.com ). This takes you to the setup page where you can configure your extender. If the page doesn't load, check your connection or try  192.168.1.1  instead. The  http//extender.linksys.com  portal guides you through connecting the extender to your router's WiFi. Ensure you enter the correct URL with the colon after "http" for proper access.