Authorize on device. Click "Control panel" button. In appeared window check "Network"

1

On the next screen click on "Network Interface" tab, click "Create" and check "Create VPN profile"

2

In next window check L2TP protocol

3

and fill up like on the screen

IP for "Server address" can find in a list of current servers

4

After configurations we can activate connection and see short statistic

result