Make macos bootable usb4/26/2023 ![]() ![]() ![]() Once the process completes, your bootable macOS Catalina USB drive will be ready.Sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia -volume /Volumes/Catalina -nointeraction Since this command requires sudo, it will ask for your Mac password. In Terminal, enter the following command and press Return.If both 32 bit and 64 bit versions are available, the 64 bit version is given in the table. The file names are current as of October 2, 2022. Use Microsoft Edge (or some other web browser) to download the following installers to your Downloads folder. You can get the latest macOS in System Preferences > Software Update and the Mac Apple Store, but you cant find macOS Mojave/Catalina/Big Sur in App Store or earlier versions of macOS there. Below are the steps for making a bootable USB flash drive OS X Mavericks installer. You can do so by going to Applications or by typing Terminal in Spotlight search. The first step to creating a bootable USB for Mac is to get the macOS installer of the version you prefer on a healthy Mac. Go to Disk Utility and make sure to format it properly. Make sure that it does not have any important data as it will be completely wiped out during this process. ![]() Once confirmed, move it to the Applications folder on your Mac. Make sure that the macOS Catalina installer that you downloaded is not corrupt.Once you confirm that you have all the above, you can move to the next steps. Terminal command for bootable USB creation A Mac already updated to macOS Catalina.A downloaded copy of macOS Catalina installer.A USB flash drive with at 16GB storage space.Before we begin, make sure that you have the following ready: ![]()
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