For Windows XP/Vista, Firmware Version 0.7

  1. If the Lego Mindstorm software is not yet installed: Download NXT Driver from
    and run setup.exe

  2. Reset the NXT brick: Press the small button at the bottom of the hole under the USB connector for at least 10 s. A gentle periodical click is emitted

  3. Connect the NXT brick via USB. The new device should be recognized and successfully installed

  4. Download from and unpack it in any folder

  5. Define an environment variable NXJ_HOME that points to the folder where resides README.html

  6. Go to the subfolder bin and execute nxjflash.exe

If you have a problem or merely a question, send an e-mail to