Not yet, but it is on life support. As of late 2023/2024, many cloud-hosted FortiGates (FortiGate-VM on AWS/Azure) have forced upgrades past 6.4.6.
Before diving into the download process, it’s critical to understand why you might need this specific version rather than the latest release. forticlient vpn 6.4.6 download
If you need to connect to a FortiGate firewall running FortiOS 6.4.6 or earlier, finding the official, safe installer is crucial. This guide covers exactly where to find version 6.4.6, why you might need it, and how to install it safely. Not yet, but it is on life support
While FortiClient 6.4.6 is stable, it no longer receives security patches (end-of-support was reached in 2022). Keep these risks in mind: finding the official