The present guidebook leads the reader to the successful use of QuickC and is divided into three sections: Fundamentals, QuickC System, and Programming Course with QuickC. Section I "Fundamentals": The guidebook provides current foundational knowledge about software development in general: What are data types and data structures? What programming structures does computer science differentiate? How can data and program structures be arranged as software components? What is meant by a file as a data structure? After reading this section, you will be able to place the QuickC programming language within the overall context of data processing and computer science. Section II "QuickC System": The guidebook offers a detailed overview of the operation and definitions of QuickC as a software development system: How do you install the QuickC system?.