Is your Mac up to date with the latest version of the Mac operating system (macOS or OS X)? Is it using the version required by some other 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.

  1. Which Imac To Buy
  2. Which Imac Do I Need
  3. Which Imac To Buy

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

Which macOS version is installed?

Which Imac

Apr 17, 2020 The iMac Pro is a completely different beast compared to the iMac. Similar to the Mac Pro, it is a workstation-class machine that is optimized for those who run very demanding tasks that are able to take advantage of multi-core CPU performance. While Mac hardware and software is denoted by its stability, the difference here has lessened. The odds of getting a virus or malware with a PC remain higher than with a Mac, but this is more about the numbers game than technology. About 7.5% of the computers in use are Mac, according to IDC, so hackers spend more time and creativity attacking PCs.

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

Which Imac To Buy

This example shows macOS Catalina version 10.15 build 19A583.

Which macOS version is the latest?

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 Catalina. As updates that change the macOS version number become available, this article is updated to show the latest version of that macOS.

Which Imac Do I Need

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.

Which Imac To Buy

macOSLatest version
macOS Catalina
10.15.7
macOS Mojave10.14.6
macOS High Sierra10.13.6
macOS Sierra10.12.6
OS X El Capitan10.11.6
OS X Yosemite10.10.5
OS X Mavericks10.9.5
OS X Mountain Lion10.8.5
OS X Lion10.7.5
Mac OS X Snow Leopard10.6.8
Mac OS X Leopard10.5.8
Mac OS X Tiger10.4.11
Mac OS X Panther10.3.9
Mac OS X Jaguar10.2.8
Mac OS X Puma10.1.5
Mac OS X Cheetah10.0.4