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).
## Bootloader
Enter the bootloader in 3 ways:
* **Bootmagic reset**: Hold down the ESC key (top-left key) and plug in the keyboard
* **Physical reset button**: On the development board, while holding down the BOOT button, press and release the RESET button
* **Keycode in layout**: Press the key mapped to `QK_BOOT` if it is available