In Purple DS Manager under Download  you can download the Purple DS Starter Kit. It contains;

• The latest  version of  Purple DS Composers 
  
• Adobe® Plugins for InDesign® (allows you to import .indd file to Purple DS Composer)
  
• Quick Start Guides for data from  PDF  or  InDesign  including sample material to start your first project

Before starting your first project with Purple DS, please register for a  Purple DS account .