This tutorial serves to examine the Serenade 8 program package. 0 and gaining practical skills in working with it. This package is one of the leading in the field of microwave device design. as well as radio- and optical-band devices. Convenient graphical environment and detailed built-in documentation make the package convenient for use in the learning process. However, in the domestic literature there are almost no sources dedicated to Serenade .. This guide is intended to partially fill this gap. Without claiming completeness of presentation, this work nevertheless gives a general idea of the package and allows you to get initial work skills. The manual also provides an overview of some elements widely used in modern microwave technology. This manual is intended for students studying at the Faculty of Physics in the specialty "Radio Physics and Electronics", as well as for students of the Faculty of Computer Science of Voronezh State University.