Virtual Reality and Augmented Reality Technologies in Computer Applications Virtual and augmented reality technologies are among the most influential modern computing technologies. They provide interactive 3D environments that simulate reality or enhance it with digital elements. These technologies are widely used in education and training for safe and effective practical experiences. They also play a significant role in medical applications such as surgical simulation. VR and AR contribute to engineering, architectural, and industrial design applications. Augmented reality enhances user experience by integrating digital information with the real environment. These technologies improve interaction and application efficiency. Thus, VR and AR have become essential tools in modern computer application development.