Click Reinstall macOS and wait for macOS Catalina to be installed on your machine. Your Mac should then open in Recovery mode. Select the bootable installer and click Enter. How do I install an operating system on an old Mac? Restart your Mac while holding Option/Alt (depending on when it was made) to access Startup Manager. If you're running an older version of macOS, it is no longer receiving security or stability updates. Chaque mise à jour apporte de nouvelles fonctionnalités et des correctifs de sécurité, vous devez donc mettre à jour votre Mac dès que vous le pouvez.Īpple only officially supports the three most recent versions of macOS (currently 10.15 Catalina, 11 Big Sur, and 12 Monterey). Vous devez mettre à jour votre Mac via l'App Store s'il exécute toujours macOS High Sierra. L'application Préférences système peut être utilisée pour mettre à jour votre Mac. What version of macOS is 10.8 5? OS family

Files in iCloud Drive and photos in iCloud Photos are automatically stored in iCloud and don't need to be part of your Time Machine backup. Select the drive you want to use for backup, and you're all set. Open System Preferences, click Time Machine, then select Back Up Automatically. How do you make sure your Mac is backed up? Once your Mac has rebooted, head to the System Preferences > Software Update and try to install the update. A normal restart often fixes random issues. Why can't I update my Mac? If you are unable to update your Mac even after you clean up the storage, restart your Mac. MacBook Pro models from mid-2012 or later. MacBook Air models from mid-2012 or later. Vous devez mettre à jour votre Mac via l'App Store s'il fonctionne toujours sous macOS High Sierra.Īpple advises that macOS Catalina will run on the following Macs: MacBook models from early 2015 or later. La mise à jour de votre Mac vers le nouveau macOS Monterey vous permettra de bénéficier des dernières fonctionnalités et corrections de bugs. Can I upgrade from High Sierra to Monterey?

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