In addition to apps, other types of files may not be safe. macOS checks the app before it opens the first time to be certain it hasn’t been modified since the developer shipped it. If problems occur with an app, Apple can revoke its authorization. Identified developers are registered with Apple and can optionally upload their apps to Apple for a security check. If there’s ever a problem with an app, Apple removes it from the Mac App Store.Īpp Store and identified developers: Allows apps from the Mac App Store and apps from identified developers. All the developers of apps in the Mac App Store are identified by Apple, and each app is reviewed before it’s accepted. Go to Security, click the pop-up menu next to “Allow applications downloaded from,” then choose the sources from which you’ll allow software to be installed:Īpp Store: Allows apps only from the Mac App Store. On your Mac, choose Apple menu > System Settings, then click Privacy & Security in the sidebar. Get started with accessibility features.Use Sign in with Apple for apps and websites.Watch and listen together with SharePlay.Share and collaborate on files and folders.Sync music, books, and more between devices.

Make and receive phone calls on your Mac.Use one keyboard and mouse to control Mac and iPad.Use Live Text to interact with text in a photo.Make it easier to see what’s on the screen.Install and reinstall apps from the App Store.

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