Briefly about the main thing - this is the peculiarity of this publication, which can become a reference book for novice ArchiCAD users. The basic information about this applied architectural package is presented concisely, accessiblely and popularly: the interface, commands, and basic operations are described. The book is intended for those who want to gain knowledge in the field of design and creation of architectural objects, and learn how to solve real practical problems. The publication will be useful for beginners who want to quickly master the ArchiCAD tools, and experienced users will find the book useful as a quick reference guide to the program.