How to add nord vpn to zgemma h7

[Warhammer14]

Can anyone help what else is needed to be filled in apart from user name and password to add a VPN to my zgemma , I'm struggling to add it . I’m using grog build
Thanks in advance

 

[Warhammer14]

Here is the screen I have

 

[rapidwrinkly]

You can use dsayers script ( do a search) easy to use