The process for a single-board-computer (SBC) is much simpler, and only requires burning an sd card.
Recomended devices:
Any of supported devices
Class 10 micro sd card with at least 32gb
A computer with a sd card reader
Internet connection through ethernet cable
Image burner, recommended: Balena Etcher
Download the appropriate image for your device: http://releases.earthdefenderstoolkit.com
Use the image burner to burn the image to the sd card.
Insert the flashed sd card into the computer
Insert the ethernet cable with Internet coming from your router into the computer
Check the Balena Dashboard for the device to come online, or check if a new WiFi hotspot has appeared