Development of Windows-applications in the programming environment Visual Studio . Net. Educational and methodological guide to the discipline of Informatics "is a unique resource for all who seek to master the creation of applications for the Windows operating system using one of the most popular development environments - Visual Studio. Net. This tutorial was created by a team of authors, which provides a variety of approaches and opinions, as well as a deep understanding of the subject. In today's world, programming is becoming an integral part of many professions, and this manual will be an excellent assistant for both students and practitioners who want to improve their skills. The book covers a wide range of topics, ranging from basic programming to more complex concepts, such as working with databases and creating a graphical user interface. It is intended for readers who already have basic knowledge in the field of programming, but want to deepen their knowledge and learn how to apply them in practice. One of the key topics addressed in the book is the use of the Visual Studio environment. Net, which provides powerful development tools. The authors explain in detail how to configure the environment, use built-in functions and optimize the development process. This makes the book especially valuable for those who want not only to learn to program, but also to effectively use modern tools to achieve the best results. The book is distinguished by its practical approach .. Each section contains examples of code, tasks and exercises that will help the reader to consolidate the knowledge gained. This format contributes to a better understanding of the material and allows the reader to develop projects on their own, which is especially important for future developers. By reading this book, you not only learn the theory, but also get the opportunity to put your knowledge into practice, which makes the learning process more exciting and productive. The topics raised in the book cover not only the technical aspects of development, but also the design, testing and debugging of applications. This makes the manual relevant for anyone who wants to create high-quality software. With the constant development of technologies and the emergence of new requirements for software products, the ability to develop reliable and effective applications is becoming increasingly popular. The book will be interesting not only for students and novice developers, but also for those who already work in the IT field and want to update their knowledge or master new technologies. It will also be suitable for teachers who are looking for quality teaching materials for their students. Due to its accessible language and clear structure, the manual will be an excellent addition to the training courses in computer science and programming. The style of the authors is distinguished by clarity and consistency, which makes it easy to assimilate even the most complex concepts. They use many examples from real practice, which makes the material more lively and understandable. The team of authors includes experienced specialists, which guarantees high quality of the presented material . If you are looking for a book that will help you immerse yourself in the world of Windows application development and master Visual Studio Net, this guide will be your reliable companion. It will not only open up new horizons in programming, but also inspire you to create your own projects. Do not miss the opportunity to become part of the fascinating world of software development that awaits you in the pages of this book!