Setup Public IP VM-Player-15 Ubuntu guest

I am using VM Player 15.5.1 on Win10 Pro host, using Ubuntu 18.04 guest, I am on my home network  How do I setup public IP.

Right now in my /etc/netplan/50-cloud-init.yaml

network:

    ethernets:

        ens33:

            dhcp4: true

    version: 2

Thanks