Do download firmware from:
: Review the Release Notes on the Fortinet Document Library for known issues specific to the 100D. If you'd like to proceed, let me know: What is your current firmware version ? Do you have an active FortiCare support contract ? Are you upgrading a standalone unit or an HA cluster ? Upgrading individual devices | FortiGate / FortiOS 7.6.6 Fortigate 100d Firmware Download BEST
The download is always directly from Fortinet’s official Support Portal —even for EOL devices. Do download firmware from: : Review the Release
To download the firmware safely, you must use official Fortinet channels: Fortigate 100d Firmware Download BEST
. Consequently, finding and downloading the "best" firmware requires navigating limited official support and strict licensing requirements. Park Place Technologies 1. The "Best" Firmware Version for 100D FortiGate 100D