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Install macos high sierra on external hard drive
Install macos high sierra on external hard drive





install macos high sierra on external hard drive

Lastly, head to Software Update from the System Preferences app (if it doesn’t open automatically) to install the beta.(You did make a backup, right? Like I suggested above?) Upon booting the installer, you’ll be prompted if it doesn’t detect a Time Machine backup.PKG file in the image to sign up to receive beta updates. Scroll down until you find a button that says Download the macOS Public Beta Access Utility.Click macOS, the middle option at the center of the next page.

install macos high sierra on external hard drive install macos high sierra on external hard drive

Otherwise, click Enroll Your Devices at the top-right corner of the webpage. If you haven’t previously installed a public beta, you’ll need to sign up for access with your Apple ID.Head to Apple’s beta software portal via Safari.







Install macos high sierra on external hard drive