How to Create a Bootable USB Drive for macOS High Sierra on Your Mac

Are you looking to create a bootable USB drive for macOS High Sierra on your Mac? If so, this article will guide you through the process step by step. With a bootable USB drive, you'll be able to install or reinstall macOS High Sierra without having to use an App Store download.

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To start, head over to this link and paste it into a new tab in your browser. Depending on the browser you're using, you may need to right-click on the link and select 'Copy link address' before clicking on it. This will begin the download process for the macOS High Sierra installer.

Once downloaded, all you need to do is install the `InstallAssistant.pkg` file and the full installer of macOS High Sierra will be stored in your Applications folder. The `InstallAssistant.pkg` file is stored on Apple's servers and contains the full 'Install macOS.app' file, which is the same full installer that you would download directly from the App Store for Intel and Apple Silicon M1 Mac computers.

The InstallAssistant.pkg database will contain download links for macOS 12 full Installer pkg files (InstallAssistant.pkg). You'll also find separate downloads available for iOS 11, if you're an iPhone or iPad user.

Many of the changes brought to macOS High Sierra are under-the-hood and not particularly flashy, but should ultimately result in better performance on Macs. However, it's crucial to backup your Mac before installing any system software update, particularly major operating system release versions. Failure to do so could lead to permanent data loss.

If you don't wish to install the update immediately, simply quit the installer when it appears. Additionally, if you plan on making a USB install drive for macOS High Sierra, you'll want to quit the installer and not install High Sierra yet, or make a copy of the install application located in the `/Applications/` folder.

Note that the macOS High Sierra installer will launch automatically after downloading from the App Store. You can also download MacOS High Sierra from the Mac App Store by clicking here.

In general, the newer your Mac is, the better performance you'll experience. MacOS High Sierra, versioned as 10.13, includes several new features and updates, such as the all-new APFS file system, improved graphics support, Safari 11, and various enhanced security and privacy features. Any Mac that supports macOS Sierra will also support macOS High Sierra; you can find the full compatibility list here.

By following these steps, you'll be able to create a bootable USB drive for macOS High Sierra on your Mac. With this handy tool, you'll have more control over the installation process and can reinstall or upgrade your operating system with ease.

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