

Note: Terminal does not show the characters as you’re typing in the password. Use the same password you use to sign in to your Mac. When prompted, enter your admin password and then hit Enter on your keyboard.Hit Enter on your keyboard after typing in the command.High Sierra sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/MyUSB Mojave sudo /Applications/Install\ macOS\ Mojave.app/Contents/Resources/createinstallmedia -volume /Volumes/MyUSB You need to replace “ MyUSB” with the name of your USB drive, or you can rename your drive “ MyUSB.” You can find the name of your USB drive in the left sidebar of a Finder window.Ĭatalina sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia -volume /Volumes/MyUSB Type in the following commands, depending on your version of macOS.Open a Finder window and go to Applications.
Macos sierra bootable usb how to#
If you want to find out how to format your hard drive for Mac, check out our guide here.
Macos sierra bootable usb mac os#
You will also have to format your disk as Mac OS Extended. Note: If your USB drive is not blank, the contents will be completely erased in the next steps.

The command you enter will depend on the OS you want to install. Then use a Terminal command to install the OS on your USB drive. To make a bootable USB, you need to download the OS from the App Store. Here’s how to make a bootable USB on a Mac. It can also help if you want to install the OS on multiple devices. This can save you if your computer ever experiences problems connecting to the internet or booting in Recovery Mode. When you have a bootable USB with your OS (operating system) on it, you can install it on a computer without having to download it from the App Store.
