: Use the Free FortiClient VPN-only agent. While it requires installation, it is lightweight and does not require registration with an Enterprise Management Server (EMS). How to Get the Best Version for 2021/2022
: Visit the Fortinet Product Downloads page. vpn forticlient portable 2021
: There is no official "standalone" executable (like a .exe on a thumb drive) that bypasses installation. : Use the Free FortiClient VPN-only agent