This document provides instructions for installing IBM Rational Rhapsody Designer for Executable MBSE version 8.2 or 8.2.1, including downloading the Rhapsody installer and evaluation key, obtaining the Cygwin gcc compiler for system simulation support, and running the Rhapsody installation wizard to complete the installation process. It also recommends testing the Cygwin gcc and make commands once installed and provides additional context around Rhapsody editions, versions, and installation considerations.