How to Create Bootable USB for Mac: A Step-by-Step Guide

Are you looking for ways to create a bootable USB for your Mac? Look no further! In this article, we will walk you through the process of creating a bootable USB installer for macOS High Sierra.

Creating a bootable USB installer is a straightforward process that requires a few simple steps. First, you need to download the macOS installer file from the App Store or the Apple website. Once downloaded, you can use the `createinstallmedia` command to create a bootable USB installer.

What You Need

Before you start, make sure you have the following things handy:

* A downloaded installer file of the macOS version for which you want to create the bootable USB installer

* A USB thumb drive or any other external drive formatted as macOS Extended with storage capacity of at least 14 GB

Step-by-Step Instructions

1. Open the App Store and click on the 'Get' button on the top right corner to download the macOS installer file.

2. If prompted, choose to use the App Store instead of the website.

3. Click on the macOS version you want to download the installer file for (in this case, High Sierra).

4. Once downloaded, close the prompt without continuing the installation.

5. Open a Terminal window and navigate to the folder where you saved the installer file.

6. Run the `createinstallmedia` command by typing `sudo /Applications/Install macOS High Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/YourUSBDrive --applicationpath /Applications/Install macOS High Sierra.app`

7. Replace `/Volumes/YourUSBDrive` with the name of your USB drive.

Tips and Variations

* You can use this bootable USB installer to perform a clean install of macOS, install macOS from USB on a separate volume of your Mac drive, or in case your Mac encounters OS issues.

* If you plan to install macOS on multiple Mac systems and don't want to download the installer multiple times, then creating a bootable installer is a great option.

By following these simple steps, you can create a bootable USB installer for your Mac running High Sierra. With this guide, you'll be able to easily install or reinstall macOS whenever you need to.

Macos high sierra usb