FortiGate upgrades must follow a . Skipping versions can break configuration.
Next came the most important step: the Upgrade Path Tool. Alex didn't just want the newest version; he needed to get there safely. He entered his current version (7.2.10) and his target (7.6.6) to see the recommended hops. Skipping steps could lead to configuration errors or, worse, a complete system lock-out. fortigate latest firmware version download
Log into your Fortinet Support Portal today and use the Upgrade Path Tool to plan your next maintenance window. Don’t wait for a breach or a bug—stay ahead of the curve safely. FortiGate upgrades must follow a
Once you have the correct firmware file downloaded from the support portal: Alex didn't just want the newest version; he
The portal lists all builds from oldest to newest. Look for the highest or patch version (e.g., v7.4.6 vs v7.4.5 ). However, check the Release Notes link next to each build.
As of April 2026, the latest major version for FortiGate firmware (FortiOS) is
That said, This is the #1 mistake admins make.
Version: 4e4bf556 (Mar 31, 2026 01:03)