The "VPN Only" experience varies slightly by OS. Here is the specific advice per platform.

tunnels. Note that newer FortiOS versions (7.6+) are pushing users toward IPsec for improved security. : The VPN-only version is completely for remote access to a FortiGate firewall. Basic Setup Steps

. Scroll past the managed versions to find the section labeled "FortiClient VPN-only" IIBX Futures 2. Select Your Operating System