The extender RE6300 setup is a simple process that helps improve Wi-Fi coverage in areas with weak signals. To begin, plug in the Linksys RE6300 extender near your router and power it on. You can complete the setup using the WPS button, the Linksys app, or a web browser by visiting the extender setup page and connecting it to your existing Wi-Fi network. Once configured, place the extender halfway between your router and dead zones to enjoy stronger and more reliable internet connectivity.