- From the Apple menu in the corner of your screen, choose System Preferences.
- Click Software Update.
- Click Update Now or Upgrade Now:
- Update Now installs the latest updates for the currently installed version. Learn about macOS Big Sur updates, for example.
- Upgrade Now installs a major new version with a new name, such as macOS Big Sur. Learn about the latest macOS upgrade, or about old versions of macOS that are still available.
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If you're having difficulty finding or installing updates:
- Security Update 2021-004 (Catalina) macOS Catalina Security Update 2021-004 (19H1323) is recommended for all users and improves the security of macOS.
- There the company offers free system software updates to users, the equivalent of giving major new versions of the Mac OS for free. In return more, users are likely to upgrade, app developers can.
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Free alternatives to Microsoft’s Office suite will ship with iOS and Mac hardware, and OS X users running Snow Leopard or higher can now upgrade to Mavericks, the latest version of Apple’s OS.
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- If 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, Calendar, and Books.
- If you want to update apps downloaded from the App Store, use the App Store to get updates.
- If you want to update your iOS device, learn how to update iPhone, iPad, or iPod touch.
- If your Mac doesn't include Software Update, use the App Store to get updates.
- If an error occurred while installing an update or upgrade, learn how to resolve installation issues.