Check that’s everything with your kit that will be needed to assemble it successfully.
You will make it.
Before uploading the user-space MicroPython program, please install or upgrade the MicroPython firmware on your device.
See Install firmware for further information.
When you are running Linux, the documentation at Setup MicroPython sandbox might be the right place to follow up for details.
If you are using Windows, the documentation about how to Install and configure the Terkin Datalogger development sandbox on Windows might be of interest.