Always verify the SHA-256 checksum of any offline installer you download from a third-party source to ensure the file hasn't been tampered with.
Once you have the FortiClientSetup_6.4.x_x64.exe file (the offline installer), installation takes less than two minutes. forticlientvpnonlineinstaller-6.4 offline installer
This file is only a few megabytes. When run, it reaches out to Fortinet’s servers to download the actual software components. If your internet connection is unstable or your firewall blocks the download mid-stream, the installation fails. Always verify the SHA-256 checksum of any offline
connectivity to FortiGate devices running FortiOS 5.6 or later. Split Tunneling forticlientvpnonlineinstaller-6.4 offline installer
FortiClient VPN 6.4 is a popular version of the free, VPN-only client used to connect to FortiGate devices. While Fortinet primarily distributes an online installer