[Download the rusEFI bundle](Download) for your hardware. ## Windows: Launch [rusEFI Console](Console). You can find it in the bundle you downloaded, in the "console" folder. Click the "Update Firmware" button. ## Linux: The canonical way to update the firmware on Linux is with DFU. You will need dfu-util: ``` # Debian/Ubuntu sudo apt install dfu-util # Arch/Manjaro sudo pacman -Syu dfu-util ``` Once you have dfu-util, you can run this from the extracted bundle directory: ``` java -jar console/rusefi_console.jar reboot_dfu dfu-util -a 0 -D rusefi.dfu ``` ## More Information For more about DFU see [HOWTO-DFU](HOWTO-DFU) ST-LINK is an advanced mode of firmware update which requires ST-LINK device, either external, or built-in like on Discovery/Nucleo board.