There is a VPN-only installer for Windows and macOS. You can also create a VPN-only installer using FortiClient EMS.
For FortiGate administrators, a free version of FortiClient VPN is available which supports basic IPsec and SSL VPN and does not require registration with EMS. This version does not include central management, technical support, or some advanced features. The free VPN-only client does support SAML.
When the free VPN client runs for the first time, it displays a disclaimer. You cannot configure or create a VPN connection until you accept the disclaimer:
Only the VPN feature is available. You can access the Settings, About, and Notifications pages from a toolbar.
Configuring settings for a new VPN connection on the free VPN client resembles doing the same on a full FortiClient installation:
You can establish a VPN connection from the homepage: