macOS is a series of graphical operating systems developed by Apple Inc. for their line of Macintosh computers. It is known for its sleek design, user-friendly interface, and robust performance, making it a popular choice among creative professionals and everyday users alike. The operating system is built on a UNIX foundation, which provides stability and security. macOS includes a variety of built-in applications and features, such as Finder, Safari, and Spotlight, enhancing productivity and user experience. Regular updates ensure that users have access to the latest features and security enhancements.