To import or update a saved hex file in the Makecode editor

  1. In a new browser window open  https://makecode.microbit.org
  2. Drag the HEX file from your computer into the home page or edit window and you're done!



To import or update a saved hex file in the Python editor

  1. In a new browser window open  https://python.microbit.org
  2. Drag the HEX file from your computer into the Python editor window and you're done!