This is much easier and simply requires you to install the providers VPN app on your Mac.
The alternative way of connecting to a VPN on a Mac is by subscribing to a VPN service. It’s not suitable for protecting your privacy online or getting around geo-restrictions to watch BBC iPlayer or Netflix in another region for example. This kind of VPN connection only allows you to connect securely to another network such as a corporate intranet or office network. To setup a VPN in macOS Network Preferences (such as to an office network) you’ll need the VPN server address, account name and authentication password from your system administrator. MacOS does have an in-built feature in the Network Settings that allows you to create and connect to a VPN network How To Setup A VPN On Mac Using A VPN Service How To Manually Setup A VPN Using Your Mac’s Network Settings