
iChat became Apple’s default instant messaging app, with built-in compatibility with AOL Instant Messenger. Announced at the 2002 Macworld Expo, it featured an updated Mail app that placed spam in a junk folder. While earlier versions of OS X did have jungle cat names, they were not used for marketing purposes until OS X Jaguar. iTunes was bundled with OS X 10.1 with CD burning capabilities, DVD playback and support for third-party digital cameras and MP3 players. It provided faster menu navigation and log-in as well as configurable options, such as a movable Dock and new system menus with controls for volume, battery life and AirPort access on the menu bar. OS X Puma was announced at the 2001 Macworld Expo in New York. New apps were included as well, such as Mail, Address Book and TextEdit. OS X Cheetah also debuted the dock that still gives modern Macs their notable appearance. Announced at the 2000 Macworld Expo in San Francisco, Mac OS X 10.0 introduced the new Aqua User Interface, which showcased title bars with a brushed metal look, brightly colored buttons on windows and photo-realistic icons. There's also a peek at the upcoming macOS "Monterey." Cheetah IDG / AppleĪpple's first major OS X release, known as Cheetah, was a radical change from the previous Mac OS 9, Apple's Classic Operating System. Until then, use one of the operating systems supported by HMS IT.Here's a look at the progression of OS X from its debut in 2001 to the current version of macOS released in 2020. After Apple and app developers address bugs often accompanying major new versions, we will contact you to recommend upgrading. We strongly recommend not installing macOS Ventura, the operating system that follows Monterey. After the download is complete, the installer opens automatically. In the App Store, open the macOS Big Sur or macOS Monterey.If you have any questions before upgrading, contact your local IT support team.

You can install macOS Big Sur on any of these Mac models. If your Mac is not compatible, contact your local IT support team.Īs with any major upgrade to the operating system, the update could impact some of your existing applications.

Find out which version of macOS you are using by following Apple's instructions. We will continue to support macOS Big Sur and Monterey.

To maintain information security at HMS, we will no longer support macOS Catalina after October 30, 2022.
