...Therefore, OpenVPN Client service has to be installed and configured first. Then, this software will help you connect automatically OpenVPN service for you. As well as, You will not need to enter username and password not even once. This software will do it for you. (Yet, this software only support VPNBook service.)
OpenVPN website : https://openvpn.net
VPNBook website : https://www.vpnbook.com
To use this software...
* You must have installed OpenVPN Client service.
* Microsoft .Net Framework 4.5 should have been installed.
* This program should keep in the OpenVPN installed directory. ...