macOS is an operating system developed and marketed by Apple Inc. since 2001. It is the primary operating system for Apples Mac computers. macOS is a proprietary graphical OS that powers every Mac. It is built on a Unix-based architecture and provides users with a stable, reliable, and user-friendly experience. The operating system is designed to be intuitive and easy to use, focusing on simplicity and elegance. The user interface of macOS is clean, organized, and aesthetically pleasing, making it a pleasure to use for both casual and professional users alike. macOS comes preloaded on all new Apple Macintosh computers. It makes it possible to complete all kinds of everyday tasks on your computer, such as browsing the Internet, checking email, editing digital photos, listening to music, and playing games. macOS is also used in some offices because it gives access to productivity tools such as calendars, word processors, and spreadsheets. The current version of macOS is macOS 12 Monterey.