Download the SoftEtherGUI app, a SoftEther VPN client
Unzip the file and copy the SoftEtherGUI.app to the Applications folder
Start SoftEtherGUI from your Launchpad
Enter your Mac username and password
You may need (for newer macOS versions) to grant running permissions
From the Menu bar, click on the SoftEtherGUI icon and Start SoftEtherVPN
Click Configure Accounts
Next, add a new configuration click the “+” button
Type in the following information (you need to know them from the SoftEther server administrator)
Account Name: a name for your VPN connection
Server: the name or the IP address of the VPN server, You can find it at user panel area
Port: the communication port (443)
Hub: VPN
Username: the username provided by the server administrator
Password: the password provided by the server administrator
Check the Radius option
Click the Apply button
Make sure you have the following options checked
Send All Traffic Over VPN
Use Remote DNS, to prevent DNS leaks
To connect to the VPN: Menu Bar > SoftEther icon > click on the name of the VPN configuration you just created