1) Please go to Client Area >> "My Services" >> "Services" >> "View Details >> and here you should have a downloads tab. At the download tab, please download the configuration file and then extract it.
2) # sudo apt-get install openvpn
3) Move the config file to /etc/openvpn/
4) sudo unzip vpnfreak_mac.zip
5) cd vpnXX
6) move all file to upper root.
7) sudo /etc/init.d/openvpn start