Historically, macOS users faced a "second-class citizen" status regarding support. Between versions 6 and 7, the macOS build was often several sub-versions behind Windows, and for a period, support was discontinued entirely. With the release of Packet Tracer 8.0 and subsequent updates (currently 8.2.1), Cisco now supports a native macOS application that aligns with the Windows release cycle.
Before downloading and installing Cisco Packet Tracer on your Mac, ensure that your system meets the minimum requirements: cisco packet tracer for mac