Before upgrading, go to the top right of the GUI, click > Configuration > Backup . Save the file to your local computer. If the upgrade fails, this file is your safety net. Step 2: Upload and Install Go to System > Firmware & Registration .
This is the most critical part of : you cannot jump from an old version to the latest version in one step. fortigate firmware download install
The Ultimate Guide to FortiGate Firmware Upgrades: Download and Installation Best Practices Before upgrading, go to the top right of
Use this with extreme caution. A standard upgrade preserves your configuration and logs. A "Format and Install" wipes the flash memory completely. This is the nuclear option—useful for exorcising persistent ghosts from a previous configuration, but devastating if you don't have a backup config file ready to upload immediately after. Step 2: Upload and Install Go to System
