Instructions to use the Austrailia Habitat Maps:

1. Download and install the ArcReader* program from the following site:
   http://www.esri.com/software/arcgis/arcreader/download.html
   *ArcReader is a free GIS map viewer from ESRI, Inc.
2. Download the Australia Habitat Maps by clicking Habitat_All.zip
3. After unzipping the file, you will see file called "Habitat_All.pmf". Double-click to open this file. Providing you've installed ArcReader in Step 1, ArcReader shoud open automatically.
4. For help using ArcReader, consult the help files within the program or visit the ArcReader support site at http://www.esri.com/software/arcgis/arcreader/support.html