I need help with setting up the VPN server

I am trying to set up the VPN server, I intalled the router and everything seemed fine and was working with the internet, but something happened, when I connected my Nord VPN account i stopped having internet, so I need help with that.

  1. I need help connecting my NordVPN account properly to the router
  2. I need help setting that up
  3. I need help changing the IP address to be in the USA
    I will be traveling that’s why I purchased it so I need my IP to show that I am in the USA and I will appreciate if you can help me with that, thank you!