Media Go For Mac Os 10.13Media Go For Mac Os High SierraMedia Go For Mac Os VersionsMedia Go For Mac Os 10.7Media Go Mac Os XMedia Go For Mac Os 10.12These advanced steps are primarily for system administrators and others who are familiar with the command line. You don't need a bootable installer to upgrade macOS or reinstall macOS, but it can be useful when you want to install on multiple compu..