If you can tell me your and your current firmware version , I can suggest the optimal upgrade path and recommended 2026 version . Share public link
execute backup config management-station <comment>
Experienced network admins with console access and a recent backup.
Click on in the top menu and select Firmware Download . Select FortiGate from the product dropdown list. Click the Download tab.
Locate the image file matching your exact hardware model (e.g., FGT_60F-v7.4.3.F-build2404-FORTINET.out ). Click and save the .out file to your computer. Method B: Directly via the FortiGate GUI
Verify that critical business applications, VPN tunnels, and security policies are active and passing traffic normally. Monitor the routing table and interface statuses to ensure all links are stable. Troubleshooting Common Installation Failures