How to Create a Bootable macOS High Sierra USB Install Drive

Are you excited about the latest macOS release, High Sierra? If so, you might be interested in knowing how to create a bootable USB install drive for this operating system. In this tutorial, we'll walk you through the steps required to create a bootable macOS High Sierra USB install drive.

Step 1: Download macOS High Sierra from the Mac App Store

The first step is to download macOS High Sierra from the Mac App Store. You can do this by opening the App Store and searching for 'macOS High Sierra'. Once you've found it, click on the 'Download' button to begin the download process.

Step 2: Download macOS High Sierra (Beta)

Until the official release of High Sierra, you can access the beta from Apple's developer website or public beta website. Once High Sierra officially launches, you'll be able to go directly to the Mac App Store and download it.

Step 3: Open Finder → Applications and right-click on Install macOS High Sierra Beta and select Show Package Contents

After downloading the installer, open Finder and navigate to the Applications folder. Right-click on 'Install macOS High Sierra Beta' and select 'Show Package Contents'.

Step 4: Drag createinstallmedia into the Terminal window from the Finder location opened in Step 3

In the package contents folder, you'll find a file called 'createinstallmedia'. Drag this file into the Terminal window.

Step 5: Open a macOS Terminal window via Applications → Utilities → Terminal

You can open the Terminal application by navigating to Applications > Utilities > Terminal. This will open a new window where you can run commands.

Step 6: Type sudo followed by a space

In the Terminal window, type 'sudo' followed by a space and press enter. This will prompt you for your administrator password.

Step 7: Drag createinstallmedia into the Terminal window from the Finder location opened in Step 3

Drag the 'createinstallmedia' file from the package contents folder into the Terminal window.

Step 8: Type -volume followed by a space

In the Terminal window, type '-volume' followed by a space and press enter.

Step 9: Connect your USB drive to your Mac

Connect your USB flash drive to your Mac. Make sure it's at least 8GB and has USB 3.0 support.

Step 10: Drag the USB flash drive volume into the Terminal window

Drag the USB flash drive volume into the Terminal window. The command should now look something like this: `sudo /Applications/Install\ macOS\ High\ Sierra\ Beta.app/Contents/Resources/createinstallmedia -volume /Volumes/YourUSBDriveName`

Replace 'YourUSBDriveName' with your actual USB drive name.

Important Note

Please note that the following tutorial will purge everything on the drive, so make sure you back up any important data before proceeding. Also, make sure your USB drive is at least 8GB and has USB 3.0 support.

By following these steps, you'll be able to create a bootable macOS High Sierra USB install drive. This will allow you to perform a fresh and clean install of the operating system.

Mac os x high sierra bootable usb