Are you unable to access tplinkwifi.net login page. You can use also 192.168.1.1, if tplinkwifi.net login not working. Both are web interfaces of tplink router login. If you are confuse how to use it, just visit our website and take help our experts on live chat.
https://www.router-solutions.com/configure-tp-link-router-as-a-wireless-access-point-secure-network-by-changing-ip-address/