Open any Brower
Type in 192. 168.1.1
User: admin
Password:1234
click Login
If web page asked to save password go ahead

Make sure you are on the "Gears" tab

Click on WIRELESS LAN 2.4G
Name (SSID) change router preset name to customized name 
Uncheck auto create name
Preshare Key change router preset password to customized password
CLICK APPLY 

WAIT FOR ROUTER TO PROMPT THIS MESSAGE AND CLICK OK
(SINCE PASSWORDS AND ROUTER SSID CHANGED, YOU WILL NEED TO LOG BACK IN ROUTER MANAGEMENT SEE PAGE 1)

Click on WIRELESS LAN 5G
Name (SSID) change router preset name to customized name 
Uncheck auto create name
Pre-Shared Key change router preset password to customized password

WAIT FOR ROUTER TO PROMPT THIS MESSAGE AND CLICK OK
LOG ON TO YOU NEW ROUTER NAME 
CONGRATULATION YOU HAVE SUCCESSFULLY CHANGED ROUTER NAME AND PASSWORD