An operating system manages all of the hardware and software on a computer. Without it, the computer would be useless. To learn more about how operating systems work, check out Understanding Operating Systems in our Computer Basics tutorial.. New features in OS X Yosemite. Each new version of OS X usually includes a lot of new features, and OS X Yosemite is no exception.

Mac OS X Yosemite 10.10.3 Free Download - All Mac World Jul 05, 2019 List of Mac OS Versions, Names, Features, Release Date Aug 13, 2018 What's new with Mac OS X Yosemite security?

Download Yosemite ISO | OS X 10.10

The beta version of Mac OS X 10.10 was released in June, and the official version came out in October. Are there any security features or implications with Yosemite that our organization should be Download Mac OS X Yosemite (10.10) ISO directly for free.

Top 10 New Features in Mac OS X 10.9 Mavericks | PCMag

Mac - Apple Built-in privacy features help protect your information and keep your Mac secure. An updated start page helps you easily and quickly save, find, and share your favorite sites. And Siri suggestions surface bookmarks, links from your reading list, iCloud Tabs, links you receive in Messages, and more.