On October 22, 2013, Apple offered free upgrades for life on OS X and iWork.

During a keynote on October 22, 2013, Apple announced that the official release of 10.9 on the Mac App Store would be available immediately, and that unlike previous versions of OS X, 10.9 would be available at no charge to all users running Snow Leopard (10.6.8) or later. It also removed some of the skeuomorphic designs from OS X Mountain Lion, and it is the final Mac operating system to feature the Lucida Grande typeface as the standard system font since Mac OS X Public Beta in 2000.Īpple announced OS X Mavericks on June 10, 2013, during the company's Apple Worldwide Developers Conference (WWDC) keynote (which also introduced iOS 7, a revised MacBook Air, the sixth-generation AirPort Extreme, the fifth-generation AirPort Time Capsule, and a redesigned Mac Pro). Mavericks, which was named after the surfing location in Northern California, was the first in the series of OS X releases not only for being named for places in Apple's home state since earlier releases used the names of big cats, but also for being the first one to be a free upgrade since Mac OS X 10.1 'Puma'.

The update emphasized battery life, Finder improvements, other improvements for power users, and continued iCloud integration, as well as bringing more of Apple's iOS apps to OS X. OS X Mavericks was announced on June 10, 2013, at WWDC 2013, and was released on October 22, 2013, worldwide.

OS X Mavericks (version 10.9) is the 10th major release of macOS, Apple Inc.'s desktop and server operating system for Macintosh computers.

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