Note: If you have Mac OS X 10.7 (Lion) or 10.6 (Snow Leopard), you will need to download OS X El Capitan before you can upgrade to the latest Mac OS.
Mozilla continues to work on further improvements for its. A multi-platform web browser with open source code. Download the latest version of Firefox for Mac. Stay within the reach with free Skype-to-Skype video/audio calls, videoconferencing, smart messaging, and screen sharing.
As such, this operating system lays a foundation for future upgrades. High Sierra is an update of MacOS which focuses mostly on back-end developments and a higher level of user security.
