If an error occurs while installing an update or upgrade, learn how to resolve installation issues. If you downloaded any apps from the App Store, use the App Store to get updates for those apps.
When using OS X 10.3, click 'Check Now.' Versions of Mac OS X 10.5 and later have the ability to run software update checks automatically. 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. Choose the upgrades you wish to install in the Software Update menu. Software Update shows only upgrades that are compatible with your Mac.
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. Mac Pro introduced in 2013 or later View the complete list of compatible computers. 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.