How to Create a macOS 27 Golden Gate USB Installation Drive on a Mac

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Apple's macOS 27 Golden Gate can be installed or reinstalled using a bootable USB drive of at least 32GB capacity. Notably, macOS 27 drops support for Intel-based Macs entirely, meaning the installation drive will only work with Apple Silicon machines. Users must download the full installer via the macOS Terminal using the 'softwareupdate' command, as the version available through System Settings only supports in-place upgrades. Once downloaded, the 'createinstallmedia' tool bundled within the installer app is used to format and write the bootable drive, erasing all existing data on the USB stick in the process. After completion, the drive is renamed 'Install macOS 27 Golden Gate' and is ready for use on supported Macs.

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ProgrammingDEV Community ·

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