Once downloaded, double-click the “Install macOS ” app in the Applications folder to begin the upgrade. Just leave it in the Applications folder and go home. macOS High Sierra is the latest operating system from Apple. ✅ - IF your Mac is compatible, then using Safari only, download the macOS upgrade installer app: Download the macOS High Sierra Installer from the Mac App Store at whatever location has decent Internet, but do not run the installer. ➡️ macOS 10.13 High Sierra is compatible with the Macs listed here The macOS version you can upgrade to depends on the year your Mac was released.Ĭlick the  (Apple) menu at the top left of your screen and choose About This Mac.Ĭheck the Compatibility of your Mac with newer versions of macOS: Learn How to Back up your Mac with Time Machine Mac OS & System Software / macOS High Sierra User profile for user: Ayyds Ayyds Author. US-CERT encourages users and administrators to review the Apple security page for macOS High Sierra 10. An attacker could exploit these vulnerabilities to obtain sensitive information. ❗️ Do NOT upgrade until you have made a Time Machine or other backup of your startup drive. If the System Software Updater does not support macOS 10.13 (High Sierra), you need to download DriverLoader1013 from this website and run it on your. Apple has released a supplemental security update to address vulnerabilities in macOS High Sierra 10.13. If there are any updates available for your Mac, they will be listed and you can apply them when you like.Ī software upgrade is usually a generational step up to a newer macOS upgrade from 10.13 High Sierra to 10.14 Mojave, for example, or from 10.15 Catalina to macOS 11 Big Sur. To update your current macOS, click the Apple  icon > About This Mac and then click Software Updates. To be clear, software update generally means to install software to update the macOS currently running on the Mac update Catalina 10.15.1 to Catalina 10.15.7, for example.

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