The application was developed with a purpose of showing compatibilities between chosen pc components with a tutorial how to correctly install the components inside the pc case. The project contains the following things: theory concept of pc components and their compatibilities, short description of the building technologies, description of the Scrum framework which is used in the development process, description of the whole development through sprints with added source code contained in the attachment and a description of the basic pc building components. The main functionality is based on getting data from the database, their comparison and show the results. The application can be upgraded with the development of features described in this document. Pros and cons, the time needed to complete the project are described beside the future work. The project was finished with a conclusion.