Virtual Reality (VR) is a computer-generated environment that lets you experience a virtual world. It's like being in a different place without actually being there. VR uses technology to create this experience, and it's used in education, entertainment, and gaming. The paper talks about how VR has evolved over time and the tools and techniques used to make it happen. It also discusses how VR is important in today's world and how it might be even more important in the future.