1. MacOS Big Sur - Apple - Mac OS X Leopard
2. Mac Os Cheetah

Is your Mac up to date with the latest version of the Mac operating system? Is it using the version required by some product that you want to use with your Mac? Which versions are earlier (older) or later (newer, more recent)? To find out, learn which version is installed now.

Mac OS X 10.0, dubbed “Cheetah” went on sale for $129 on March 24, 2001. It brought the Aqua user interface and technology like preemptive multitasking and protected memory to a wider audience than the Public Beta. Cheetah required 128 MB of RAM, which seems meager today, but was more than most Mac users had in their systems at the time. Mac Os X 10.0 Cheetah Vhd For Virtualbox Free Some interesting features of Mac OS X Snow Leopard 10.6 listed below that you experienced after download dmg of Mac OSX Snow Leopard 10.6 for mac. Secure and stable Mac OS X. Mac OS X 10.0(code namedCheetah) is the first major releaseand version of macOS, Apple'sdesktop and server operating system. Mac OS X 10.0 was released on March 24, 2001 for a price of US$129. It was the successor of the Mac OS X Public Betaand the predecessor of Mac OS X 10.1(code named Puma). Mac OS X’s built-in calendar program, iCal, is now five years old, but Leopard’s iCal 3.0 is the first version that doesn’t feel like a toy. The iCal interface is more straightforward. These features, combined with the low upgrade price of $29, make Snow Leopard the biggest no-brainer of an upgrade since Mac OS X 10.1. (And that upgrade, the aged among us will recall, was.

If your macOS isn't up to date, you may be able to update to a later version.

Which macOS version is installed?

MacOS Big Sur - Apple - Mac OS X Leopard

From the Apple menu  in the corner of your screen, choose About This Mac. You should see the macOS name, such as macOS Big Sur, followed by its version number. If you need to know the build number as well, click the version number to see it.

Which macOS version is the latest?

Mac Os Cheetah

These are all Mac operating systems, starting with the most recent. When a major new macOS is released, it gets a new name, such as macOS Big Sur. As updates that change the macOS version number become available, this article is updated to show the latest version of that macOS.

If your Mac is using an earlier version of any Mac operating system, you should install the latest Apple software updates, which can include important security updates and updates for the apps that are installed by macOS, such as Safari, Books, Messages, Mail, Music, Calendar, and Photos.