Fortigate Firmware Download - Install [better]

Go to System → Settings → Backup . Select "Encryption" (optional, but wise). Save the .conf file to your local PC.

You can install the firmware via the Graphical User Interface (GUI) or the Command Line Interface (CLI). Formatting and loading FortiGate firmware image using TFTP fortigate firmware download install

Click the blue arrow (or the filename) and select Go to System → Settings → Backup