Creating A Mac Flash Boot Disk For High Sierra From Disk Utility

Try out a beta version of the upcoming macOS High Sierra!

Here are the steps to create a macOS bootable USB media. One high quality USB flash drive with 16GB of storage. On the left, right-click the USB flash drive, select the Format Disk for Mac option. Steps to use the Diskpart command-line utility on Windows to create the appropriate GPT partition. Feb 17, 2017 Download macOS Sierra Installer. If you do not have the Install macOS Sierra app in the Applications folder, then you might have already upgraded to macOS Sierra. The installer application gets automatically erased after upgrading the Mac. To create a bootable disk, you need to have the installer app. Open the Mac App Store.

macOS High Sierra 10.13 (available as beta since June 5, 2017) is an update available through the App Store. Much like in the case of previous updates, your user data as well as system settings will be preserved when you update your OS.

Nevertheless, many users might prefer to make a clean installation of macOS High Sierra and for this you will need to create a bootable installation USB drive and we will show you several ways how you can achieve this.

Macs compatible with macOS High Sierra

Mac: late 2009 or newer
MacBook/MacBook (Retina): late 2009 or newer
MacBook Pro: mid-2010 or newer
MacBook Air: late 2010 or newer
Mac Mini: mid-2010 or newer
Mac Pro: mid-2010 or newer

macOS High Sierra is now available in App Store only for registered beta testers. The public version will be available this fall.

How to create macOS Sierra USB installation flash drive

First step - Get macOS High Sierra installation app and prepare USB flash drive

Download macOS High Sierra installer (Install macOS High Sierra.app in Applications folder) from Mac App Store.

Prepare a USB flash drive with the Apple Disk Utility. If you did not already, you will have to format the USB drive with GUID Partition Table scheme selected and name it as Untitled. The minimal capacity of USB drive must be of at least 8 GB.

Create macOS Sierra installation USB flash drive with createinstallmedia tool

The createinstallmedia is a command line tool, which allows users to simply create installation drive, distributed with macOS High Sierra installer.

After you have prepared your USB flash drive and downloaded the macOS High Sierra Installer from the App Store, open the Terminal and type command:

sudo /Applications/Install macOS High Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled --applicationpath /Applications/Install macOS High Sierra.app --nointeraction &&say Done

In our case 'Untitled' is the name of USB flash drive! Replace 'Untitled' by name of your flash drive.
Wait a few minutes until your macOS High Sierra installation USB drive will be ready. Toefl ibt practice test macbook camera.

To install macOS High Sierra ► restart computer ► hold the Option (ALT) key and select Installation USB drive from the menu.

Create macOS High Sierra installation USB flash drive with Disk Utility and Finder

After you have prepared your USB flash drive and downloaded the macOS High Sierra Installer from the App Store, open the Terminal and type command:

defaults write com.apple.finder AppleShowAllFiles 1 && killall Finder

This command allows you to view hidden files in Finder.

Now Open Finder ► Applications ► Install macOS High Sierra.app ► right click ► Select Show Package Contents option.

Navigate to Contents/SharedSupport ► Mount InstallESD.dmg file and BaseSystem.dmg file

Connect USB drive and open Disk Utility (/Applications/Utilities)

Select the USB drive from the list of disks, click on Restore icon and use OS X Base System option as a source. When ready click on Restore button.

Open InstallESD volume in Finder, select Packages folder and copy them to System/Installation folder on USB drive (OS X Base System).

You will also have to copy BaseSystem.chunklist and BaseSystem.dmg files from Install macOS High Sierra.app package to root of USB flash drive (OS X Base System).

And that's it. Your macOS High Sierra installation USB drive is ready for use.

To install macOS High Sierra ► restart computer ► hold the Option (ALT) key and select Installation USB drive from the menu.

The macOS High Sierra is the newer version of Apple’s operating system which is still vastly used and loved by users. macOS High Sierra was launched and put out back in 2017 WWDC. But even with the newer versions, there are still lots of users who wants to install High Sierra. Because most users whose Mac aren’t compatible with can download and install in their old Mac. Users can install macOS High Sierra on their old Macs and make use of it. Here’s how to Create macOS High Sierra Bootable USB installer on Windows.

You can install macOS High Sierra on Mac, iMac, MacBook, and even Windows, Linux, and more. But for the most part, you’d need a bootable USB installer. Now sometimes you’ve access to Windows while your Mac isn’t working or have some problem. In this case, you’d probably want to create macOS High Sierra Bootable USB Installer on Windows. For those who doesn’t know, creating a macOS bootable USB installer on Windows is definitely possible and can be done with really simple steps with software like TransMac.

Related:How to Create macOS Catalina USB Installer on Windows

A bootable USB is required for quite lots of things like installing macOS High Sierra on PC via Hackintosh, or installing High Sierra on Mac or Macs. Hackintosh is an act that allows users to install and use macOS on PC. A bootable USB is required for installing any operating system. Not only macOS High Sierra but you’ll also need a bootable USB drive to install new versions of macOS Mojave, macOS Catalina, and updated versions.

A bootable flash drive is an external hard drive or optical disk that is created with a computer operating system and can be used to boot a desktop computer or laptop instead of the Windows installation DVD. The USB drive has replaced bootable disks. Before USB drives were on-trend people used to use bootable disks instead of bootable USB drives.

What is The Need of USB

A USB flash drive is a portable storage device that includes flash memory with an integrated USB interface. It is probably removable, rewritable, and much smaller than an optical disc. You can store any information, file, or any other file in a USB drive.

You can write, erase, or enter any information files and similar files or videos like that. You can find many USB flash drives with different storage space. USB flash drives are frequently used for storage, data back-up, and transfer of computer files. The primary need of USB is to store, transfer and send files from one place to another better and quicker.

Related:How to Create macOS Mojave USB Installer on Windows

Beside it, you can create a bootable USB for installation purposes. If you want to install one operating system or dual boot that would be to work both of them like; macOS and Windows. Another reason why you need a USB is, installing an operating system with USB is much easier and quicker.

These are also some other common reasons why do we need a USB. Some of them are, transferring a file or a bunch of files is easier with a USB. USB drives are like a backup drive of the files or documents that you have in. The plus point is that USB drives are way smaller rather than a computer or a laptop, and there are uncountable reasons why we need a USB drive.

What You’ll Need

Before we start the process of creating a bootable USB installer for macOS High Sierra we need some key items.

Access to Mac OS X or macOS (version 10.12 or later)
Bootable USB Maker TransMac
A 16GB USB flash drive

Not to miss one, recheck and pick all of them. Except for others, when its there, install TransMac straightly. Click next a couple of times until the installation screen and that’s it. You’ll see the finish window. So let’s dive into how to Create macOS High Sierra Bootable USB Installer on Windows.

How to Create macOS High Sierra Bootable USB Installer on Windows

Whether you want to install High Sierra or reinstall it because the first installation wasn’t successful or if you want to install macOS High Sierra on many Macs, you’ll definitely need a bootable USB. Here’s how to Create macOS High Sierra Bootable USB Installer on Windows.

After you download, install the required items. Then we are gonna create macOS High Sierra bootable USB installer on Windows.

Installing TransMac

After TransMac is installed, open it and insert your USB flash drive and when it appeared there, right-click on it and select Format Disk for Mac.

Make sure to select the USB drive to format as others are the Windows drivers so be careful.

First, take a backup and then follow here. Now enter a name for the USB and click OK. This part will remove everything from the device. If you haven’t take a backup of your files don’t follow this step.

Name Drive for Mac Volume

Right-click on the USB drive and select Restore with Disk Image.

It will ask you to choose a disk image to restore so you should click on the three dots and select macOS High Sierra DMG.

Browse DMG

After you clicked on macOS DMG it will open up a screen with macOS High Sierra DMG file. Click on the DMG file and press Open.

Wait for a little bit for the process to write the DMG file to USB drive. 1 bit tiff viewer for mac.

Restoring image to Disk

After the process ends, your bootable USB for macOS High Sierra is ready. The process was simple and quick. Now you can install High Sierra typically as you’d do.

If you want to install macOS High Sierra on Windows, you can check out the article. You can also check out our similar articles to this like Create macOS Catalina USB installer on Windows, Create macOS Mojave USB Installer on Windows.

That was how to Create macOS High Sierra Bootable USB Installer on Windows. We hope it was informative and useful. If you have any suggestions or questions related to this topic, you’re open to make comments below.