Tplinkwifi.net may be a web-based router configuration page for all TP-Link routers at https://tplinkwifi.net/ where you'll change Wi-Fi password and various network settings. Note: the primary that you simply need to do is connect your PC with TP-Link Router Network. you'll connect wirelessly or if you don't know the password of the Wi-Fi network then you'll connect using an coax . Internet Connectivity isn't required, just a connection between your PC/Laptop and thus the Router.