These boards may be reset into bootloader either via the reset hardware button (on the back of the PCB near the USB connector) or through a configured RESET shortcut inserted into the keymap.
See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).