Create USB boot macOS Big Sur
You can use an external drive or secondary volume as a startup disk from which to install the Mac operating system. Show These advanced steps are primarily for system administrators and other experienced users who are familiar with entering commands in Terminal. You don't need a bootable installer to upgrade macOS or reinstall macOS, but it can be useful if you want to install macOS on multiple computers without downloading the installer each time, or you're unable to install a compatible macOS from the Finder or macOS Recovery. What you need to create a bootable installer
Use Terminal to create the bootable installer
CommandsDepending on which macOS you downloaded, enter one of the following commands in Terminal as instructed above. If your Mac is using macOS Sierra or earlier, the command should conclude with Venturasudo /Applications/Install\ macOS\ Ventura.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume Montereysudo /Applications/Install\ macOS\ Monterey.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume Big Sursudo /Applications/Install\ macOS\ Big\ Sur.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume Catalinasudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume Mojavesudo /Applications/Install\ macOS\ Mojave.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume High Sierrasudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume El Capitansudo /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install\ OS\ X\ El\ Capitan.app Use the bootable installerApple silicon
Intel processor
Learn moreFor information about the /Applications/Install\ macOS\ Ventura.app/Contents/Resources/createinstallmedia /Applications/Install\ macOS\ Monterey.app/Contents/Resources/createinstallmedia /Applications/Install\ macOS\ Big\ Sur.app/Contents/Resources/createinstallmedia /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia /Applications/Install\ macOS\ Mojave.app/Contents/Resources/createinstallmedia /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia Published Date: November 17, 2022 Can you create a bootable USB on Mac?The createinstallmedia command makes it possible to create a bootable copy of an installer on any drive that's connected to your Mac. You'll find all the createinstallmedia commands below, including the Monterey createinstallmedia command.
Can I create bootable macOS USB from Windows?You can use a Windows 11, 10, 8.1, or 7 computer to quickly create a USB bootable installation media to reinstall macOS Ventura, Monterey, Big Sur, or Catalina on your Mac.
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