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danylokos/macos-bootable-usb.md

Last active August 11, 2020 09:30
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macOS Catalina bootable USB
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macos-bootable-usb.md
  1. Download installer
softwareupdate --fetch-full-installer

or specific version

softwareupdate --fetch-full-installer --full-installer-version 10.15.5
  1. Create bootable USB
sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume
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