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#Create macos catalina bootable usb install#
#Create macos catalina bootable usb password#
#Create macos catalina bootable usb Offline#
#Create macos catalina bootable usb download#
#Create macos catalina bootable usb mac#

I would suggest you to get the one with a capacity of 16 GB or higher to store the macOS installer file. A thumb driveĪ thumb drive, aka USB flash drive, is what you would need for this to work. Make sure you’ve got all of them as it will make the entire process much faster. Prerequisitesīefore we get started, here are some prerequisites that you need to take into consideration. You can do it anytime you want – As long as you keep the USB drive bootable with the macOS installer in it, you can reformat and reinstall the macOS again anytime you want.

#Create macos catalina bootable usb mac#

You can do it faster – All it takes to reinstall macOS on a computer is to simply plug in the USB drive and get the mac to boot via external source (your thumb drive).

#Create macos catalina bootable usb Offline#

You can do it offline – Installing macOS via USB will allow you to do it offline meaning that you wouldn’t need to wait for the re-downloading of the entire macOS installer, which could take a while depending on your internet speed.

#Create macos catalina bootable usb install#

Well, if you do want to install macOS on your computer, I would suggest you to do it via USB.

You can now quit Terminal and eject the volume.As a mac user, there may come a time when you’d want to reinstall macOS on your computer- say something goes wrong with your machine or you just want to have a fresh start. When Terminal says that it's done, the volume will have the same name as the installer you downloaded, such as Install macOS Monterey.After the volume is erased, you may see an alert that Terminal would like to access files on a removable volume.Terminal shows the progress as the volume is erased. When prompted, type Y to confirm that you want to erase the volume, then press Return.Terminal doesn't show any characters as you type your password.

#Create macos catalina bootable usb password#

When prompted, type your administrator password and press Return again.

* If your Mac is using macOS Sierra or earlier, include the -applicationpath argument and installer path, similar to the way this is done in the command for El Capitan. Sudo /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia -volume /Volumes/ MyVolume -applicationpath /Applications/Install\ OS\ X\ El\ Capitan.app Sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/ MyVolume Sudo /Applications/Install\ macOS\ Mojave.app/Contents/Resources/createinstallmedia -volume /Volumes/ MyVolume Sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia -volume /Volumes/ MyVolume Sudo /Applications/Install\ macOS\ Big\ Sur.app/Contents/Resources/createinstallmedia -volume /Volumes/ MyVolume Sudo /Applications/Install\ macOS\ Monterey.app/Contents/Resources/createinstallmedia -volume /Volumes/ MyVolume If it has a different name, replace MyVolume in these commands with the name of your volume. These assume that the installer is in your Applications folder, and MyVolume is the name of the USB flash drive or other volume you're using.

Type or paste one of the following commands in Terminal.

Open Terminal, which is in the Utilities folder of your Applications folder.

Connect the USB flash drive or other volume that you're using for the bootable installer.

You will create the bootable installer from this app, not from the disk image or. It installs an app named Install OS X El Capitan into your Applications folder.

Inside the disk image is an installer named InstallMacOSX.pkg.

#Create macos catalina bootable usb download#

Download using Safari, and open the disk image on a Mac that is compatible with OS X El Capitan.

The installer for OS X El Capitan downloads to your Downloads folder as a disk image named InstallMacOSX.dmg.

Enterprise administrators: Download from Apple, not a locally hosted software-update server.

Download on a Mac that is using macOS Sierra 10.12.5 or later, or OS X El Capitan 10.11.6.

Download on a Mac that is compatible with that version of macOS.If the installer opens after downloading, quit it without continuing installation.

The installer for macOS Monterey, macOS Big Sur, macOS Catalina, macOS Mojave, or macOS High Sierra downloads to your Applications folder as an app named Install macOS.