Free Download Install: Fortigate Firmware

This is the most critical part of : you cannot jump from an old version to the latest version in one step.

FortiGate models range from the desktop-sized 40F to chassis-based 7000E series. Firmware is model-specific. Downloading a firmware image for a FortiGate 100F and trying to install it on a 60F will result in a corrupt image error or, worse, a non-booting device. fortigate firmware download install

Log into your FortiGate CLI (via SSH or console) and run: This is the most critical part of :

: Accessible via the Fortinet Support Portal or directly within the FortiOS GUI (starting in v7.x), this tool calculates the exact intermediate versions required to safely move from your current build to a target release. fortigate firmware download install