On the web site it says:
Code:
Client Web Interface:
The Client Web Interface can be accessed via a preferred web browser by inserting the following address into the address bar:
https://openvpnasip:943 (Please replace "openvpnasip" with the IP you allocated to your openvpn-as instance)
Once the client has logged into the Client Web Interface with their credentials they will have the option to download the Windows Installer with their pre-bundled certs of their individual certificate:
There is no link to download the client from there, only the server.