Create a Bootable High Sierra Installer for Your Mac

Are you looking for a way to create a bootable USB installer for your Mac running High Sierra? This article will guide you through the process of creating a bootable USB installer using the `createinstallmedia` command.

To start, make sure you have downloaded the macOS High Sierra installer from the App Store or Apple's website. If you haven't already, follow these steps to download the installer file:

* Open System Preferences and click on Software Update.

* Click on Download macOS Big Sur (or your desired version).

* The installer file will be downloaded to your Applications folder as an app named Install macOS High Sierra.

* Close the prompt without continuing the installation.

Once you have the installer file, follow these steps to create a bootable USB installer:

1. Connect a USB thumb drive or external drive with at least 14 GB of storage capacity and format it as macOS Extended.

2. Open the Terminal app on your Mac and run the following command:

```

sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/ --nointeraction

```

Replace `` with the name of your USB drive.

3. The `createinstallmedia` command will create a bootable installer on your USB drive.

That's it! You now have a bootable High Sierra installer that you can use to install macOS on multiple Mac systems or perform a clean installation on your current Mac.

Bootable high sierra