D-Link DIR-842 User Manual page 21

Section 3 - Getting Started
Step 6
Firstly, enter a network name (SSID) of your choice, or leave it unchanged
to accept the default SSID.
Secondly, choose a Wi-Fi password of at least 8 characters. Any device
trying to connect to the router wirelessly will need to enter this password
the first time it connects.
Finally, tap Next to proceed.
You will be asked to enter a SSID and password for your 5 GHz network.
Repeat step 6 and tap Next to proceed.
Step 7
Enter the administrator password of your choice. Unlike the Wi-Fi
password, this password is only required when you need to configure
the router. See Configuration on page 19 for details of when this
password is used. Tap Next to proceed.
D-Link DIR-842 User Manual 17