It’s what makes a Mac a Mac.

OS X is the operating system that powers every Mac. Built on a rock-solid UNIX foundation, it’s engineered to take full advantage of what the hardware is capable of. It’s designed to be as easy to use as it is beautiful to look at. It comes with an amazing collection of apps you’ll use — and love — every day. And it enables your Mac and iOS devices to work wonderfully together.

Easy to learn. Easy to use.

On a Mac, it’s easy to find, share and do just about everything. You can control your Mac with simple, intuitive gestures. The Dock lets you launch your favourite apps with a click. Launchpad gives you quick access to your full library of apps. The Finder lets you browse and organise your files on your Mac and in iCloud with ease. Spotlight search makes locating documents, launching apps and looking up information effortless.1 You can even have your apps and the operating system software update automatically. In fact, a Mac does so many things automatically, sometimes you don’t have to do anything at all.

Every detail considered. And reconsidered.

Over the years, OS X has changed in many ways. But the principles that define it haven’t: power, simplicity beauty. Across-the-board refinements have made OS X El Capitan even more powerful and easier to use, while maintaining the elements essential to Mac. As with every Apple product, each detail is obsessed over: from the distinctive icons in the Dock, to the streamlined toolbars, to the fluidity of navigating everything from photos to web pages. Because when it comes to a great experience, the difference is in the details.