The maps can be downloaded directly
and through this link. Do not forget to download the legend ID’s as well
http://brasil.mapbiomas.org/downloads. It is also possible to download data directly from Google Earth Engine and fit your request to specific territories or temporal windows. In Google Earth Engine you can also access all Landsat Mosaics and transition maps. To get MapBiomas collections ID's in Google Earth Engine, go to
Codes and Tools.