macOS Versions refer to the various iterations of Apple's operating system designed for Macintosh computers. Each version typically introduces new features, enhancements, and security updates, ensuring that users have access to the latest technology and improvements. Notable versions include macOS Big Sur, which revamped the user interface, and macOS Monterey, which introduced features like Universal Control. The evolution of macOS began with Mac OS X in 2001, transitioning through numerous updates and name changes. Each version is identified by a unique name and number, such as macOS Ventura or macOS Catalina, reflecting Apple's commitment to innovation and user experience.