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 product or feature? Which versions are earlier (older) or later (newer, more recent) than the version currently installed? To find out, learn which version is installed now.
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'll see the macOS name, such as macOS Mojave, followed by its version number. If some product or feature requires you to know the build number as well, click the version number to see it.
- Apple offers some great computer hardware options, with gorgeous industrial design on Macbooks, optional 5K screens on iMacs, and the new, massively powerful Mac Pro (starting at $5,999).
- For the issues with Apple's butterfly keyboards, Apple's repair teams sometimes have to replace large, expensive sections of the laptop. My most recent repair involved replacing the entire logic.
- Since Apple’s hardware products had their own press conference, WWDC Conference (Apple global developer conference) began to return to its essence and become a stage for apple to show developers the latest system and software. On this stage, one of the most striking protagonists is OS X, the Mac operating system. Let’s popularize the history.
In the area of desktop and laptop computers, Microsoft Windows is generally above 70% in most markets and at 77% to 87.8% globally, Apple's macOS is at around 9.6% to 13%, Google's Chrome OS is up to 6% (in the US) and other Linux distributions are at around 2%. All these figures vary somewhat in different markets, and depending on how they are.

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. And 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 installed by macOS, such as Safari, Books, Messages, Mail, Music, Calendar, and Photos.
| macOS | Latest version |
|---|---|
| macOS Catalina | 10.15.5 |
| macOS Mojave | 10.14.6 |
| macOS High Sierra | 10.13.6 |
| macOS Sierra | 10.12.6 |
| OS X El Capitan | 10.11.6 |
| OS X Yosemite | 10.10.5 |
| OS X Mavericks | 10.9.5 |
| OS X Mountain Lion | 10.8.5 |
| OS X Lion | 10.7.5 |
| Mac OS X Snow Leopard | 10.6.8 |
| Mac OS X Leopard | 10.5.8 |
| Mac OS X Tiger | 10.4.11 |
| Mac OS X Panther | 10.3.9 |
| Mac OS X Jaguar | 10.2.8 |
| Mac OS X Puma | 10.1.5 |
| Mac OS X Cheetah | 10.0.4 |
Learn more
- Always use the macOS that came with your Mac, or a compatible newer version.
- Learn how to reinstall macOS from macOS Recovery.
Apple Mac Computers Or Laptop Most Recent Software Os 10
The App Store only shows updates for the OS you are using at the moment, in your case Yosemite 10.10.5.
If you want to go to another newer OS that is called an upgrade. This can be done through the App Store using the following link.
High Sierra is the last/ newest OS your Mac can use. Scroll down to Section 4 and click on Get macOS High Sierra.
Make a full back up of your Mac before upgrading.
Apple Computers On Sale Laptops
Check to see with the developers of any third party apps you use that there are updates available so they will continue to work in the new OS. Another thing you need to check is if any printers/ scanners etc you use have updated drivers and software so they too can continue to function in the new OS.
Feb 3, 2019 11:15 PM