First, install NordVPN app in Linux console and log into NordVPN account (in case login fails try --legacy).
Then, install the WireGuard ulitily via sudo apt install wireguard.
Set protocol by nordvpn set technology nordlynx.
Now, run the script using the following command: sudo ./get_conf #server_code#. Choose a server code from here. The code of al18 corresponds to the al18.nordvpn.com server. Script will generate a config file in the current directory.