In above example, the volume name of my USB drive is Big Sur.įinally, copy one of the following commands to Terminal and change the volume name. Then, open Terminal app and type the following command to find the actual volume name of USB drive, which will be used in next step: ls /Volumes/ If everything goes fine, you will see the drive name in left sidebar of Finder app. When it is completed, you will see a Install macOS app in Application folder. The downloading process will take more than 15 minutes as the file size is pretty big (Over 8GB). After that, click the Get button (Big Sur as example) to download the installation app on your Mac. However, only the most recent versions are available for download, including Big Sur, Catalina, Mojave and High Sierra. Just launch App Store app on your Mac and search for the macOS name. It is completely free and no need to download additional software for this purpose.įirst, download macOS from Mac App Store. This is the most reliable way to make bootable macOS installer on Mac as it is backed by Apple. Create a Bootable Installer for macOS with Official App In addition, it is also possible to make a bootable macOS installer from DMG file. And Apple provides an official tool to create bootable USB installer from macOS installation app with the help of Terminal command, which is totally free. MacOS is the native operating system for all Mac computers. Create a Bootable Installer for macOS on Mac The other is macOS dmg file, which is made by third-party developers or system administrators. One is the official macOS installation app, which is only available from Mac App Store. Reinstall macOS on Mac from Bootable Installerīefore getting started, you should know there is only two types of installation media for macOS.

Create a Bootable Installer for macOS on Windows PC

Mac os x lion usb installer