Viscosity is a commercial OpenVPN client for macOS and Windows.
Download and install Viscosity from the SparkLabs site.
Once Viscosity is installed, you can download one or more preconfigured VPN profiles.
Choose the server, mode and port combination you want below. You can have as many profiles as you like installed.
(Please log in to download your VPN files!)
Open the downloaded .visz file and Viscosity should tell you that the import was successful.
Start Viscosity if it's not already running. From the menu bar (Mac) or taskbar (Windows), locate the Viscosity icon, click it and choose Connect VPNme from the list.
That's it! When you want to disconnect, use the same menu.