Plug your TP-Link extender into a wall outlet. Connect it to your computer with an Ethernet cable. Open a browser on your computer and navigate to If that doesn’t work, try You should see a TP-Link … Select Quick Setup and Next. Select your region and Next. Let the TP-Link extender scan for wireless networks. It might take a minute or two, depending on how many networks there are around you. Select your wireless network from the list, and select Next.