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.
A new version of macOS called High Sierra version 10.13 is now available for your Mac. Here are some steps you should take before upgrading.
Download macOS
Find the appropriate download link in the upgrade instructions for each macOS version:
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.
Refurbished Mac Pro 3.2GHz 16-core Intel Xeon W, Two Radeon Pro Vega II Duo, Apple Afterburner $18,869.00 $19,719.00. Sep 25, 2017 Perhaps the most important element in preparing for macOS High Sierra is having a complete backup of the Mac. Installation problems are rare, but if they do happen often the only resolution is to format the computer and restore from a backup. Failure to backup a Mac could result in permanent data loss of anything or everything on the computer. 85% One of the Easiest way. Vanilla High SierraEasiest way to install macOS High Sierra on PC, Guide with Images and direct download link to High Sierra app Guide Explanation MacPwn High Sierra OS Installing macOS High Sierra in a Hackintosh is hard, The oldest methods do not work, Apple broke the System and making. Question: Q: Preparing MacBook Pro for resale, cannot download macOS High Sierra I am trying to prepare a mid-2010 MacBook Pro 13' Unibody for resale. Before doing anything else, I though I would follow instructions on creating a bootable recovery disk, since booting with cmd + R did not work.
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 more
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:
Catalina:
Mojave:
High Sierra:
El Capitan:
Download macOS
Find the appropriate download link in the upgrade instructions for each macOS version:
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 moreMac High Sierra Prepare For Resale Certificate
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 High Sierra Prepare For Resale 2017
Catalina:
Mojave:
Mac High Sierra Prepare For Resale Money
High Sierra:
Mac High Sierra Prepare For Resale Free
El Capitan:
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