Please connect an Ethernet cable from your existing modem/router/network in to the port labelled "Internet/WAN" on the back of the D-Link
Connect an Ethernet cable between port 1 on the back of the D-Link and your computer
Turn on the router and wait for a few minutes
Open a web browser and type http://192.168.1.1 in to the address bar
You will be prompted to log-in. The default username is "Admin" and the password should be left blank (unless you have changed these prior).
Click on "Tools" at the top and then on "Firmware" on the left menu.
Click on "Choose File" and select the firmware file that you have been provided
Click on "Upload" and press to confirm. The upgrade process will now begin and take up to 5 minutes to complete.