Within the “System Information” widget on the home page, press the “Click to view pending updates” text.
This will check for updates, then display the changelog. Scrolldown in the popup window then click “Close”
Scroll all the way down to below the package list and press “Update”
Click “OK” in the firewall reboot dialogue box.
A popup will come up when the updates have completed informing the administrator of such. The router will automatically reboot. Once it has sung you tht song of it’s people (beeped in a musical fashion) it should kick you back to the login prompt on the Web Interface.