On a Mac that is compatible with El Capitan, open the disk image and run the installer within, named InstallMacOSX.pkg. Enterprise administrators, please download from Apple, not a locally hosted software-update server.Įl Capitan downloads as a disk image. Important: To get the correct installer, download from a Mac that is using macOS Sierra 10.12.5 or later, or El Capitan 10.11.6. If the installer opens after downloading, quit it without continuing installation.
Startup disk creator mac install#
Installers for each of these macOS versions download directly to your Applications folder as an app named Install macOS Catalina, Install macOS Mojave, or Install macOS High Sierra. MacOS Catalina, macOS Mojave, or macOS High Sierra Download macOSįind the appropriate download link in the upgrade instructions for each macOS version: 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 computers without downloading the installer each time. These advanced steps are primarily for system administrators and others who are familiar with the command line. At some point you find that your startup disk is full. System Tools downloads - Install Disk Creator by MacDaddy and many more programs are available for instant and free download.
Startup disk creator mac mac osx#
If you have any other data on that flash drive, back it up now, because the installer will delete.ĭownload Bootdisk Utility - Create bootable USB disks with your favorite MAC OSX distribution and latest Clover bootloader by turning to this lightweight application. Download the macOS Sierra installer and Disk Creator.Then follow these steps to create your bootable macOS High. When the download is done, you can move it over to your Applications folder. Download Install Disk Creator by clicking on the link above.I was able to make a macOS Sierra external USB boot disk in a few minutes, and the installation worked without a hitch. Install Disk Creator is a straightforward way to create a boot disk.
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