72D-Link DIR-628 User Manual
Section 4 - Security
Wireless Security Setup Wizard
To run the security wizard, click on Setup at the top and then 
click Launch Wireless Security Setup Wizard.
Type your desired wireless network name (SSID). 
Automatically:  Select  this  option  to  automatically 
generate the router’s network key and click Next.
Manually:  Select  this  option  to  manually  enter  your 
network key and click Next.