Download root certificate of our VPN server by this link.
Open the certificate file and click 'Install Certificate'.
Select 'Local machine'.
Select 'Trusted root certification authorities'. Then follow installation process.
After certificate installation is done, open Control Panel, then Network and Sharing center.
Click on 'Set up a new connection or network'
Select 'Connect to a workplace'
Select 'Use my Internet connection (VPN)'
Enter IP address of VPN server and some name for the new connection. Then click Create.
Click on Network at tray, then select the VPN connection and click connect. Then enter login and password.
Install strongSwan from Google Play.
Download root certificate of our VPN server. Open the link https://www.proxycity.net/vpn-ca.crt in browser.
Open downloaded certificate with the strongSwan application. Tap 'IMPORT CERTIFICATE'.
Go to main screen of strongSwan and tap 'Add VPN profile'.
Enter VPN connection details and tap 'Save'.
Tap on the new created VPN connection and you will see how connection gets established..
Download root certificate of our VPN server. Open the link https://www.proxycity.net/vpn-ca.crt in browser.
System will suggest you to install the certificate. Tap 'Install'.
Open Settings, then VPN, tap 'Add VPN Configuration'
Enter VPN connection details (enter VPN server IP address into 'Remote ID' and 'Server' fields). Tap 'Done'
Enable the VPN connection.