During the different screencasts, one will learn how to use OpenFOAM® in a very powerful way. All general topics are described and discussed. Starting with the installation of OpenFOAM® on a Linux machine, the lectures will go to the OpenFOAM® structure and how to build an own project by using an arbitrary exhaust manifold design. Subsequent, the programming in OpenFOAM® is explained while introducing the Doxygen code analyzing tool. Furthermore, a brief discussion about debugging and profiling is done. During the lectures, a lot of helpful tips and tricks will be given.