Set up your Feather 32u4 and Arduino IDE by visiting the Learn guide for the 32u4 here. Once you've installed all the drivers and software, and tested the Feather come back.
Arduino Feather Setup
This guide was first published on Nov 19, 2016. It was last updated on Nov 19, 2016.
This page (Arduino Feather Setup) was last updated on Nov 07, 2020.