One of the advantages of using OpenVPN is that it has gotten popular enough to where there are third-party packages available to make the process of using OpenVPN easier. One of these packages is the OpenVPN Client Export Utility, which allows a pre-configured OpenVPN Windows client or macOS X's Viscosity configuration bundle to be exported directly from pfSense.
To install the OpenVPN Client Export Utility, navigate to Packages | OpenVPN and click on the Available Packages tab. Scroll down to openvpn-client-export and click on the Install button. The next page will prompt you to confirm installation; click on the Confirm button to complete the process. This will install openvpn-client-export and all its dependencies. ...