Genesis Rev2 is the same as Genesis Rev1 firmware, except Rev2 allows encoder function remapping using VIA.
Make example for this keyboard (after setting up your build environment):
make custommk/genesis/rev2:default
Flashing example for this keyboard:
make custommk/genesis/rev2:default:flash
Genesis Macro Pad has qmk-dfu bootloader preinstalled. To enter the bootloader, run the flashing command above, and then either plug in the USB connection while holding the top-left key, or alternatively, plug in the USB connection and then press the reset button on the PCB
See the build environment setup and the make instructions for more information. Brand new to QMK? Start with our Complete Newbs Guide.