Select raspi-config from the RetroPie menu after booting up.
Select Interface Options.
Select SSH.
Enable SSH
Connect NIC
Connect Power
Turn On Device.
RetroPi, Show IP.
192.168.1.36
Putty in
Login with pi, raspberry
Do everything here including changing password
https://sites.google.com/view/gregsqna2/gaming/arcade1up/centipede/retropie/1stboot