Step 1: Open a web browser and enter http://dlinkap.local. in the address bar. 

Step 2: Enter your Admin Password in the field provided. If you have not changed the password from the default setting, the password field should be left blank. Click Log In.

Step 3: Move the cursor to the Settings tab at the top right-hand corner of the page, then click Extended Wi-Fi from the drop-down menu.

Step 4: You can specify a new password in the Password field.

Click Save to save the current configuration.