1. Open the Browser: Open your web browser. 2. Go to the Router IP Address: The default IP address for TP-Link routers is usually 192.168.0.1 or 192.168.1.1. Enter this address into your browser and press Enter. 3. Log In: On the login screen, enter your username and password. Typically, the username is "admin" and the password is "admin". If these credentials have been changed, use the appropriate information. 4. Go to Wireless (Wi-Fi) Settings: In the main menu, find the "Wireless" (or "Wi-Fi") section. 5. Wireless Security: Go to the "Wireless Security" section. Here you will be able to change your password. 6. Change the Password: Select "WPA/WPA2-PSK" (this is typically the default) and enter your new password in the "Password" field. 7. Save Changes: To apply the changes, click "Save" or "Apply". 8. Restart the Router: In some cases, you may need to restart the router.