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.

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.

Download Mozilla Firefox, a free Web browser. Firefox is created by a global non-profit dedicated to putting individuals in control online. Get Firefox for Windows, macOS, Linux, Android and iOS today! Find games for macOS like Dim - Playable Demo, Therapy with Dr. Albert Krueger, You Are Not Welcome Here - HD Remaster, 🐢 Slide 🐬, Terra Nil - Reclaim the Wasteland on itch.io.

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.

Teletype for Atom

Great things happen when developers work together—from teaching and sharing knowledge to building better software. Teletype for Atom makes collaborating on code just as easy as it is to code alone, right from your editor.

Share your workspace and edit code together in real time. To start collaborating, open Teletype in Atom and install the package.

GitHub for Atom

A text editor is at the core of a developer’s toolbox, but it doesn't usually work alone. Work with Git and GitHub directly from Atom with the GitHub package.

Create new branches, stage and commit, push and pull, resolve merge conflicts, view pull requests and more—all from within your editor. The GitHub package is already bundled with Atom, so you're ready to go!

Everything you would expect

Cross-platform editing

Atom works across operating systems. Use it on OS X, Windows, or Linux.

Built-in package manager

Search for and install new packages or create your own right from Atom.

Smart autocompletion

Atom helps you write code faster with a smart and flexible autocomplete.

File system browser

Easily browse and open a single file, a whole project, or multiple projects in one window.

Multiple panes

Split your Atom interface into multiple panes to compare and edit code across files.

Find and replace

Find, preview, and replace text as you type in a file or across all your projects.

Make it your editor

Packages

Choose from thousands of open source packages that add new features and functionality to Atom, or build a package from scratch and publish it for everyone else to use.

Themes

Atom comes pre-installed with four UI and eight syntax themes in both dark and light colors. Can't find what you're looking for? Install themes created by the Atom community or create your own.

Customization

It's easy to customize and style Atom. Tweak the look and feel of your UI with CSS/Less, and add major features with HTML and JavaScript.

See how to set up Atom

Mac Ios Download

Under the hood

Atom is a desktop application built with HTML, JavaScript, CSS, and Node.js integration. It runs on Electron, a framework for building cross platform apps using web technologies.

Mac Os Ios Download

Open source

Atom is open source. Be part of the Atom community or help improve your favorite text editor.

Keep in touch

Mac Ios Download For Windows