TP-Link brand wireless router (usually models with this design are TP-Link TL-WR841N or similar popular N series). General rules for configuring this type of router are given below:
Resetting the router (if necessary): If you want to make the router new or reset it, press and hold the RESET button on the back for 5-10 seconds.
Making the connection: Plug the internet or ISP cable into the blue WAN port of the router and connect your PC or phone to the router via a LAN cable or Wi-Fi.
Logging in: Go to your browser and type tplogin.net or the default IP address 192.168.0.1 and press enter.
Password setup: The first time you log in, it will ask you to create a new password or admin password.
Select internet type: Select your internet connection type from the Quick Setup or Network option (e.g., PPPoE, Dynamic)