The primary and most secure source for FortiGate firmware images is the Fortinet Customer Service & Support portal.
To download firmware, you generally need an active FortiCare subscription for at least one device in your account. Steps to Manually Download Firmware
The journey starts at support.fortinet.com . After logging in, you navigate to the section under the "Support" tab. Here lies a list of every FortiGate model—from the desktop-sized 40F to the chassis-based 6000 series. Selecting the wrong model is a common, yet costly, mistake; flashing a 100D image onto a 100F can brick the device. fortigate firmware download
: FortiWiFi models start with "FWF", while standard FortiGates start with "FGT".
Fortinet offers several branches of firmware: The primary and most secure source for FortiGate
: Navigate the folder structure (e.g., v7.00 > 7.0 > 7.0.x ) to find the image matching your specific hardware model.
If you are not using the automatic update feature within the FortiOS GUI, follow these steps to download images manually: After logging in, you navigate to the section
This is the standard method for major upgrades or when preparing a large number of devices.
: Click the HTTPS link on the far right to download the .out file to your computer. 3. Installing the Firmware