Use Software Update
- Choose System Preferences from the Apple menu , then click Software Update to check for updates.
- If any updates are available, click the Update Now button to install them. Or click “More info” to see details about each update and select specific updates to install. You might be asked to enter your administrator password.
- When Software Update says that your Mac is up to date, the installed version of macOS and all of its apps are also up to date. That includes Safari, Music, Photos, Books, Messages, Mail, Calendar, and FaceTime.
- To automatically install future updates, including for apps that you got from the App Store, select “Automatically keep my Mac up to date.” Your Mac will notify you when updates require it to restart, so you can always choose to install those later.
OS X is an operating system designed and marketed by Apple Inc. For its Mac series of computers. The OS X Mountain Lion is the ninth version of the operating system, replacing its predecessor; the Mac OS X Lion. The change in the name signifies an update, which is now a regular feature of Apple’s software policy. When Software Update says that your Mac is up to date, the installed version of macOS and all of its apps are also up to date. That includes Safari, Music, Photos, Books, Messages, Mail, Calendar, and FaceTime. 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.
Update the software on your iPhone, iPad, or iPod touch
Learn how to update your iPhone, iPad, or iPod touch to the latest version of iOS or iPadOS.
Learn more
Update (April 13, 2018): Mac OS 10.13.4 released! Update (June 05, 2018): Mac OS 10.13.5 released! Update (July 26, 2018): Mac OS 10.13.6 released! Update (July 26, 2018): Mac OS Mojave 10.14 released! We also recommend that you read our article how to update macOS to upgrade your Mac using the Apple Store. MacOS 10.12: Sierra (Fuji) - 20 September 2016. If you want to update your Mac to a newer version of macOS the method will be determined by the version of macOS you are running.
Update Macos 10.12 To 10.13
- Learn how to get updates for earlier versions of macOS that don't include Software Update preferences.
- You can also use the App Store to update apps or redownload apps that came from the App Store.
- Learn which macOS your Mac is using and how to upgrade to the latest macOS.
- When your Mac is connected to a Personal Hotspot, large updates don't download automatically.