Users may also opt to create a USB install drive with which to install El Capitan on multiple Macs. How to get OS X El Capitan: All users running OS X 10.6.8 or later are eligible for a free upgrade to OS X El Capitan through the Mac App Store.When it was released: Apple released OS X El Capitan on Septemon the Mac App Store after initiating a public beta release to users that signed up for the Apple Beta Software Program on July 9, 2015.OS X Server 5.0, the server management software that enables server configuration, is free for users of Server 4.0 all other users must purchase Server 5.0 from the Mac App Store for $19.99. Who this affects: Keeping in line with Apple’s upgrade policy, OS X El Capitan is free for all users running at least OS X 10.6.8 (Snow Leopard).It also adds expanded support for mobile devices and collaboration using OS X Server.

Why it matters: OS X El Capitan includes many enhancements to stability and performance, and increases security with new features aimed at both enterprise and consumer users.What it is: OS X El Capitan is a major release of Apple’s OS X operating systems for Mac computers and servers.SEE: Free ebook: Executive’s guide to Apple in the enterprise Executive summary To help IT support staff, systems administrators, and enterprise users get up to speed on OS X El Capitan, the most important details and related resources have been compiled into this guide, which we will update as new information becomes available. Marking the 12th major release in Apple’s annual OS release cycle, version 10.11 El Capitan is an extension of the previous version of OS X, Yosemite, in that it focuses on adding stability, performance, and security enhancements to the already rock-solid UNIX foundation. This comprehensive guide includes everything you need to know about Apple's OS X El Capitan, including features, requirements, upgrade options, software updates, and more. OS X El Capitan: The smart person’s guide

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