chrome://network to import onc
Click>>>> DOWNLOAD ONC <<<<Click

ALTERNITIVE

(Setting < Network < Add

Connection < Add built-in VPN...)

it is not openVPN

Name:

UnblockVPN

Provider Type:

L2TP/IPsec

Server Hostname:

Public-vpn-121.opengw.net

Authentication Type:

Pre-Shared Key

Username:

vpn

Password:

vpn

Group Name:

(leave blank)

Pre-Shared Key:

vpn