In the window that appears just below the macOS version number, you'll find your Mac's model name and year of release. To see your Mac model, click on the Apple menu at the top-left corner of your screen and select About This Mac from the dropdown. To see if your Mac is compatible with an older version of macOS, you need to find out what model of Mac you own and check if that model matches the OS's technical specifications. It's highly dependent on the older macOS you want to use and the Mac you're working with. To find out which macOS your Mac is using, you can click the Apple menu and select About This Mac. So, if you have a Mac with an Apple silicon chip like an M1 or M2 MacBook, you can't have High Sierra as your operating system.Ī 2017 Mac can run a ton of different macOS versions, though. Safari was introduced in Mac OS X Panther in January 2003. It came with Time Machine, Photo Booth, Screen Sharing via iChat, Boot Camp, and Spaces, but it’s also the last version to. Safari is a web browser developed by Apple.It is built into Apples operating systems, including macOS, iOS, iPadOS and visionOS, and uses Apples open-source browser engine WebKit, which was derived from KHTML. The initial versions of DOS were very simple and resembled another operating system called CP/M. System 6 7 (1988 1992): Significant upgrades with System 6 in 1988 and the transition to Mac OS with System 7 in 1991. Some older macOS versions, like macOS 10.13 High Sierra, require Intel 64-bit processors found in older Macs to run. Mac OS X 10.5 (Leopard) Leopard is a major Mac OS X update in 2007. Originally developed by Microsoft for IBM, MS-DOS was the standard operating system for IBM-compatible personal computers. System 1 5 (1980 1987): The foundational years of Mac systems, starting from System 1 in 1980 to System 5 in 1987. This article will list down and include all the different Apple OS versions, release dates, version numbers and codenames. macOS Ventura is the latest and current Apple operating system for MacBook devices. So, follow the steps below to get the downgrade of your dreams! Make Sure Your Mac Can Use an Older macOSīefore you can download an old macOS onto your Mac, you must ensure your Mac can actually run the software. There are two (2) main OS variants for Apple, namely the earlier Mac OS X versions and the newer macOS versions. We can teach you how to get old versions of macOS on your MacBook or iMac today. Each line includes the version number, code name, and release date. Or, you may want to use an older version simply because you prefer its interface. Mac OS X 10.0 (Cheetah) Mac OS X 10.0 was launched by Apple on March 24, 2001. The complete list of macOS versions from 2001 to 2023 is below. You could want to use a program that can't run on the current macOS or need to get an operating system on an older Mac.

List of macos versions by date