This book details step-by-step methods for developing, verifying, validating, and executing agent models on high performance computers. Readers only need a basic background in computer programming to benefit from the book. All of the examples in the book use the free and open source Repast for High Performance Computing (Repast HPC) C++ and MPI platform. Full source code is provided for all of the step-by-step examples in the book. All of the software discussed in the book is free and open source.