1. The maps can be downloaded directly from the platform via the link: plataforma.argentina.mapbiomas.org
  2. Don't forget to download the legend codes at: argentina.mapbiomas.org/codigos-de-la-leyenda
  3. It's also possible to download the data directly from Google Earth Engine using the Toolkit.
  4. In the website section Downloads/Collection Maps 
  5. In Google Earth Engine, you can access the public assets in the Tools section.