In this session you will learn how to design and build Windows Presentation Foundation (WPF) desktop applications using loosely coupled components that can evolve independently but which can be easily and seamlessly integrated into the overall application. This is an introductory course that concentrates on the basic concepts required to build a composite application with the Microsoft Patterns and Practices Prism 4.0 framework which includes the boostrapper, regions, modules, view composition, and different techniques for communicating between loosely couple components.