Technology has become one of the most crucial and significant factors driving progress and economic growth. This course provides foundational knowledge, characteristics, properties, and the advantages and disadvantages of technological solutions such as Virtual Reality (VR), Augmented Reality (AR), and Extended Reality (XR). These advanced technologies are promising and are expected to have a significant impact in the future. Various applications and business trends based on these platforms will also be discussed. Additionally, learners will have the opportunity to practice and use some common tools to develop basic applications for these technologies.