OS X Yosemite (/ j oʊ ˈ s ɛ m ɪ t i / yoh-SEM-it-ee; version 10.10) is the eleventh major release of macOS, Apple Inc.' S desktop and server operating system for Macintosh computers. OS X Yosemite was announced and released to developers on June 2, 2014, at WWDC 2014 and released to public beta testers on July 24, 2014. OS X El Capitan (10.11) on Unsupported Macs macOS Extractor and MacPostFactor are apps that guide you through patching and installing OS X El Capitan (10.11), Yosemite (10.10), Mavericks (10.9), or Mountain Lion (10.8) on your older Mac. This thread focuses on OS X El Capitan. Requires a Mac (2012 or later) with OS X Yosemite and an Apple TV (3rd generation rev A, model A1469 or later) with Apple TV software 7.0 or later. Supported by the following Mac models: MacBook Pro with Retina display (Mid 2012 or newer) MacBook Air (Late 2010 or newer) iMac (Late 2012 or newer) Mac mini (Late 2012 or newer) Mac Pro. The Mac OS X series is one of the best line up series of the operating systems. The tenth edition in the series is the Mac OS X Yosemite. The biggest and most advantageous part of the Mac OS X series is that the versatility of the operating systems in making the user is more comfortable. OS X El Capitan includes features to improve the security, performance, design and usability of OS X. Compared to OS X Yosemite, Apple says that opening PDFs is four times faster, app switching and viewing messages in Mail is twice as fast and launching apps is 40% faster.

Is your Mac up to date with the latest version of the Mac operating system? Is it using the version required by some 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 Big Sur, followed by its version number. If you need to know the build number as well, click the version number to see it.

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 Big Sur. As updates that change the macOS version number become available, this article is updated to show the latest version of that macOS.

Os X Yosemite Update 10.12

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.

Os X Yosemite 10.13.6 Download