TP-LINK Archer A7 User Manual To enter the admin interface, open your web browser (such as Chrome, Firefox, Opera, or another browser), and then type 192.168.0.1 (the router's default IP address) into the address bar. Two text fields with spaces for a username and a password should be visible. Your TP-LINK Archer A7's default username is admin. The admin password is the default. You should now be able to access your router's control panel after entering the username and password and pressing "Enter."