The default configuration files for the Motion System & ToolChanger.
Copy onto the Micro SD Card and insert into the Duet2 before power on.
Edit the config.g file to match your configuratuion.
Study the firmware | https://duet3d.dozuki.com/c/RepRapFirmware
Understand the G-Code | https://duet3d.dozuki.com/Wiki/Gcode
Update to the latest release | https://github.com/dc42/RepRapFirmware/releases