Staying on the latest verified firmware is critical for maintaining the security and performance of your FortiGate firewall. As of , Fortinet has officially released FortiOS 8.0.0 . This guide provides a comprehensive walkthrough on how to download verified firmware images and perform a safe upgrade. 1. Identify the Latest Firmware Versions

To ensure the integrity and security of your network, only download firmware from the official Fortinet Support Portal. FortiGate / FortiOS 8.0 - Fortinet Document Library

FortiGate Latest Firmware Download & Verified Upgrade Guide (May 2026)