Asus Router Setup:
1. Please make sure all the cables related to the wireless router are plugged in and firmly inserted. (It is recommend to use wired connection to set up the QIS.)
2: How to enter the router's GUI? (ASUSWRT)
To log into the web GUI:
3. Type your new password twice and then click [Next].
4. Enter the network name (SSID) and network key for your wireless router.
Make sure to add _5G to the 5Ghz Network name so you are able to tell them apart.
Then click the [Apply] button.
5. Click [Next].
6. If you are preforming this set up via wireless and you changed the network Name and password, you will need to connect to the new Network name(SSID) and enter the password to connect to the internet.
Reference links: https://www.asus.com/support/