Your case is preaty simple :
1 Go to Configuration -> VPN -> create new user
2 Go to OpenVPN :
3 Then back to Accounts - Push Download :
4 Select OpenVpn configuration :
5 Download and install OpenVpn client for your Home PC:
6 Install OpenVPN client :
Copy downloaded from step4 config file to C:\Program Files\OpenVPN\config\
7 Run :
8 Than in Tray double click on :