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The best-selling introduction to Cocoa, once again updated to cover the latest Mac programming technologies, and still enthusiastically recommended by experienced Mac OS X developers. 'Cocoa® Programming for Mac® OS X is considered by most to be the de-facto intro-to-OS X programming text.' -Bob Rudis, the Apple Blog 'I would highly recommend this title to anyone interested in Mac development. Most people that wish to learn Cocoa programming are looking to program for the iOS mobile platform and material on developing specifically for the Mac OS X platform is scarce. I had made a couple of attempts to learn OS X programming in the past but found Objective C off-putting, but the arrival of Apple's new language Swift encouraged me to.
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.
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.
macOS | Latest version |
---|---|
macOS Catalina | 10.15.7 |
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 |
Developers are doing
great things with Swift.
Swift is a fast and efficient language that provides real-time feedback and can be seamlessly incorporated into existing Objective-C code. So developers are able to write safer, more reliable code, save time, and create even richer app experiences.
Great apps
built using Swift.
More and more developers are incorporating Swift code into their apps. And some are even building all-new apps entirely in Swift.
Better performance
equals better apps.
Swift apps more than live up to the name. For instance, a common search algorithm completes much faster using Swift.
10,000 integers found in a graph
using depth-first search algorithm*
using depth-first search algorithm*
Educators are adding Swift
to their curriculum.
Developers aren’t the only ones who’ve experienced the potential of Swift. Universities and academic institutions around the world teach with Swift and Xcode on Mac, empowering their students with the best tools to build amazing apps. And with Apple’s free Develop in Swift curriculum, the transition from introductory coding to app development with Swift has never been easier.
Colleges and universities that are incorporating Swift into their courses
- Aberystwyth University
- Borough of Manhattan
Community College - California Polytechnic State University
- Central Piedmont Community College
- Foothill College
- Full Sail University
- Houston Community College System
- Ingésup
- Lawson State Community College
- Mesa Community College
- Northwest Kansas Technical College
- Plymouth University
- RMIT University
- Southern Methodist University
- Stanford University
- Technical University of Munich
- Tecnológico de Monterrey
- University of California, Santa Cruz
Swift is everywhere.
And now it’s open for everyone.
Swift is free and open source, and it’s available to a wide audience of developers, educators, and students under the Apache 2.0 open source license. We’re providing binaries for macOS and Linux that can compile code for iOS, macOS, watchOS, tvOS, and Linux. And to help Swift grow into an even more powerful language, we created a community where users can contribute directly to the Swift source code.
Get started with Swift.
The Definitive Book
Download The Swift Programming Language from the Apple Books Store free. Learn how Swift makes programming easier, more flexible, and more fun.
Download the free bookXcode
Xcode is the Mac app used to build every other Mac app and every iOS app, too. It has all the tools you need to create an amazing app experience. And it’s available as a free download from the Mac App Store.
Download Xcode from theBest Mac For Programming
Mac App StoreDeveloper Website
Cocoa Programming For Mac Os X
Get detailed technical information and an advanced overview of Swift. Check out the developer blog and stay up to date on the latest news. And enjoy free access to great resources like guides, videos, and sample code.