However, these days, not only have all of the launch issues been patched out, but Apple continues to provide security updates, even in the face of macOS Mojave. X Window System, it does not have the Mac OS X interfaceĪnd thus will not run Mac OS X applications. Apple’s macOS 10.13 High Sierra launched two years ago now, and is obviously not the current Mac operating system that honor goes to macOS 10.14 Mojave.

Although Darwin will run many Unix applications, including the Source, and it is available as a stand-alone operating (apps) developed for iOS are not compatible with Mac OS X, and viceįoundation upon which Mac OS X is based. Despite their shared origins, applications Handheld devices, and is much more tightly controlled than other IOS: Based on Mac OS X, versions of iOS run on the For more information, see Apple's Mac OS X Server page. Sharing, QuickTime streaming, NetBoot, and advanced web Includes a suite of network services, such as a print server, file It is similar to the consumer release of Mac OS X, but also Mac OS X Server: This is Apple's server operating For more information, see Apple's Mac OS X page and Developer page for

It is a consumer operating system designed for use Mac OS X: This is the version most Macintosh For the current version's system requirements, seeĬurrently, four Mac OS X-related products are available: Multithreading, and protected memory give Mac OS X improved stabilityĪnd performance. Has much of the look and feel of the former Mac OS,įeatures such as preemptive multitasking, symmetric multiprocessing, Its interface, known asĪqua, is built on a Unix foundation. System for its line of Macintosh computers. Information here may no longer be accurate, and links may no longer be available or reliable. If an error occurs while installing an update or upgrade, learn how to resolve installation issues.This content has been archived, and is no longer maintained by Indiana University. If you downloaded any apps from the App Store, use the App Store to get updates for those apps. When Software Update says that your Mac is up to date, then macOS and all of the apps it installs are up to date, including Safari, Messages, Mail, Music, Photos, FaceTime, and Calendar. Software Update shows only upgrades that are compatible with your Mac.

Upgrade Now installs a major new version with a new name, such as macOS Monterey.

Update Now installs the latest updates for the currently installed version, such as an update from macOS Big Sur 11.5 to macOS Big Sur 11.6.

If your System Preferences doesn't include Software Update, learn how to upgrade to macOS Monterey or upgrade to an older macOS, and use the Updates tab of the App Store app to get app updates.

In the System Preferences window, click Software Update.

From the Apple menu  in the corner of your screen, choose System Preferences.

Then follow these steps to find and install any available software updates or upgrades. Before you get started, it's a good idea to back up your Mac.

Most current imac operating system