
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 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.


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.
