The Start Menu is a key feature in the Windows operating system that provides users with quick access to their applications, settings, and files. It typically appears when you click the Start button, usually located in the bottom-left corner of the screen. The menu is organized into sections, making it easy to find programs and tools you use frequently. In addition to launching applications, the Start Menu also allows users to search for files and settings. You can customize it by pinning your favorite apps for easy access. Overall, the Start Menu enhances user experience by streamlining navigation on your computer.