These 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 computers without downloading the installer each time.
Download macOS
Step 2 Press down on the ‘Option’ key after restarting your Mac. Step 3 Once the booting has finished, your Mac will display the Startup Manager to show you the available boot drives. Select your external hard drive and hit ‘Return’. Step 4 If you want to install Sierra but keep your data untouched, you can select 'Install OS X. Download Install Disk Creator by clicking on the link above. When the download is done, you can move it over to your Applications folder. Then follow these steps to create your bootable macOS High. 8/10 (5 votes) - Download DiskMaker X Mac Free. DiskMaker X is a tool that provides you with everything you need to create a bootable disc for OS X in a few clicks if you're running version 10.7 onwards. Creating a bootable disc for OS X is as easy as using a tool like DiskMaker X. DiskMaker X helps to easily build a boot disk from the mac OS Install app using a USB thumb drive, an external Firewire or Thunderbolt drive, an SD-Card If you are a Mac technician or consultant, you’ll be able to easily upgrade your customers’ machines without having to re-download the app for each Mac. First, you have to download the DiskMaker X 6 from its website then install it on your Mac computer. DiskMaker X (formerly Lion DiskMaker) is an application built with Apple Script that you can use with many versions of OS X to make a bootable drive from OS X installer program (the one you download. Mac id changer.
Find the appropriate download link in the upgrade instructions for each macOS version:
Mac Os X Sierra Iso
macOS Catalina, macOS Mojave, ormacOS High Sierra
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. If the installer opens after downloading, quit it without continuing installation. 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. Enterprise administrators, please download from Apple, not a locally hosted software-update server.
OS X El Capitan
El Capitan downloads as a disk image. On a Mac that is compatible with El Capitan, open the disk image and run the installer within, named InstallMacOSX.pkg. It installs an app named Install OS X El Capitan into your Applications folder. You will create the bootable installer from this app, not from the disk image or .pkg installer. ![]() Use the 'createinstallmedia' command in Terminal
* If your Mac is using macOS Sierra or earlier, include the
--applicationpath argument, similar to the way this argument is used in the command for El Capitan.
Use the bootable installer
After creating the bootable installer, follow these steps to use it:
Learn moreInstall Mac Os Sierra
For more information about the
createinstallmedia command and the arguments that you can use with it, make sure that the macOS installer is in your Applications folder, then enter this path in Terminal:
Mac os x server 5.0 download. Catalina:
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Mojave:
Disk Maker Mac Os X Sierra Download Iso
High Sierra:
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