Global Nav Open Menu Global Nav Close Menu; Apple; Shopping Bag +. Search Support. The current Mac operating system is macOS, originally named 'Mac OS X' until 2012 and then 'OS X' until 2016. Developed between 1997 and 2001 after Apple's purchase of NeXT, Mac OS X brought an entirely new architecture based on NeXTSTEP, a Unix system, that eliminated many of the technical challenges that the classic Mac OS faced. Jul 31, 2020. Music, TV, and podcasts take center stage. ITunes forever changed the way people experienced. Make Offer - Mac OS X LEOPARD Version 10.5 Apple Install DVD & Booklet 2007 Family Pack Nice! 2009 Macintosh 15 inch MacBook Pro Mac OS X Leopard 10.5.6 System Disc DVD $59.99.

1. Mac Os 10
2. Macbook Mac Os X Lion
3. Macbook Pro Mac Os X

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.

Mac Os 10

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

Which macOS version is installed?

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.

Macbook Mac Os X Lion

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.

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.

Macbook Pro Mac Os X