Protecting your network from hackers is very important and to that, changing the default settings is a must. To change the TP-Link router default password, open the web browser, type the wireless router’s LAN address in the address bar, and tap to enter. Enter the default IP address of the TP-Link router, i.e., 192.168.1.1. With this, a login page will display enter the username and password. The TP-Link router default password and username is admin. From here, tap to management > access control > password on the left page and then type the old and new password. Confirm a new password and tap to apply to save the changes.