Learning how to create a bootable macOS installation disk can be helpful in a variety of situations. Rather than download and install a new OS from Apple's servers each time, it can be used for multiple installations on different machines. It can also help in situations where the operating system is corrupted or installation from app store shows errors.

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To create a bootable macOS installation disk, you have to burn the DMG file to a USB drive as CD/DVD is not available for Mac computers. Here's how to do it from text commands and using a purpose-built software called WizDMG. You will first need to download the DMG file for the macOS version you wish to install. For example, if you want to create a bootable macOS Mojave installer, you will need the DMG file for macOS Mojave. Once the file has been downloaded to your PC, you can proceed with one of the bootable disk creation methods shown below.

Method 1: How to Create Bootable USB Installer for Mac via Commands

After installing DMG Extractor, all you have to do is double-click your DMG file to open it up. You can browse the files right in the DMG Extractor window if you just want to see what’s inside the DMG file. If you need to extract the file, click the “Extract” button on the toolbar.

macOS (formly named Mac OS X) is just a variant of popular Unix based operating system. This means a lot of daily and advanced tasks on Mac can be done via text commands such as creating bootable USB installer for Mac. However, this could be a lot of challenges if you had no clue about commands and I suggest taking a look at the other solutions in this post to avoid messing up the computer with the wrong commands.

Step 1. Search macOS name in app store (Mojave, High Serria, EI Capitai). Click 'Get' button to download the installer image on your Mac. The downloaded file will be located in Application folder.

Step 2. When the download is completed, the installation windows opens automatically, just close the window and go to Application folder. You will find a file started Install, such as Install macOS Majave.

1. How to Put a DMG on a Flash Drive to Install By David Weedmark. Insert the flash drive into the USB port of a Mac computer that has the DMG file you need. Launch Finder. After a couple of seconds the drive appears in the left menu of the Finder menu. If Mac OS X doesn't recognize the flash drive, it prompts you to format it and the Disk.
2. Jan 19, 2018  So Apple also suggests you make a bootable install drive via Terminal. Just in case that you don't want to use Terminal, you may follow these steps to build a USB drive for Mac OS X or macOS. Mount the Mac OS installer to get.DSStore, BaseSystem.chunklist, and BaseSystem.dmg. Files from InstallESD.dmg file.
3. Oct 25, 2009 OS X convert DMG to USB install. How to Make Bootable USB drive with.DMG for Tiger, Leopard, Lion, Mountain Lion, Mavericks OS X - Duration: 7:43. Tech & Design 63,548 views.

Step 3. Now connect an external flash drive with more than 16G free space. And backup the data in that USB drive as the installer erase all content from it. Open Disk Utility app and format the USB drive with APFS or Mac OS Extended.

Step 4. Open the Terminal app and copy-and-past the following commands to make a booatble USB installer from macOS image:
For Majove: sudo /Applications/Install macOS Mojave.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume
For High Serria: sudo /Applications/Install macOS High Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume
For EI Capitan: sudo /Applications/Install OS X El Capitan.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install OS X El Capitan.app

Step 5. Input the admin password when being prompted. And wait for the booatable disk being created. When it is done successfully, you will receive a message shown in above screenshot.

Unconfortable with text commadns and prefer doing it in a simple way? The second suggestion is more user friendly!

Method 2: How to Make Bootable USB from macOS with WizDMG

WizDMG fills a huge gap in Windows not supporting DMG files. It is a desktop utility supporting Windows and Mac. It allows you to directly burn DMG files to disk in order to create a bootable macOS Mojave installer or a boot disk for any macOS version.

WizDMG offers an intuitive interface with no clutter and full functionality to handle DMG files. Apart from burning such disk image files to DVD/CD or USB, it also gives you edit options where you can add and remove files from within the DMG file, rename DMG files and even create DMGs from files and folders on your desktop. This software application has been created for novice users as well as experts. It is easy to use, has a very high burn success rate and will help you create a bootable macOS installer in no time. Follow the instructions below:

Step 1Install WizDMG

Download WizDMG from the official website and install it on your PC. Launch the program and select the 'Burn' option in the main interface.

Step 2Create Bootable USB from macOS Install Image

Click on Load DMG to import the macOS installation file into the application. Insert a USB (16G free space) and click on the 'Burn' button next to the appropriate media type.

The important thing to remember here is that you now know how to create a macOS installer in Windows. There aren't a lot of options out there because of the compatibility issues between Mac and Windows environments. That means converting DMG to ISO and back again to DMG leaves the door open for corrupted files and incorrectly burned bootable media, which defeats the whole purpose because it might not even work in the end.

Method 3: Create macOS High Serria/Mojave Bootable USB on Windows 10/7

Another way to create macoS bootable disk on Windows is using a tool called DMG2IMG along with Windows command prompt. It requires a bit of a workaround, but even novice users can learn to burn a DMG file to a disk to create bootable media for a macOS installation. Just make sure you follow the instructions below carefully. Safari dmg 10.7.5.

Step 1. Download DMG2IMG and install it in your Windows PC. Open File Explorer and go to the folder containing the DMG2IMG program, then right-click and select 'Open command windows here.'

Step 2. Type the following command and hit Enter: dmg2img [sourcefile.dmg] [destinationfile.iso]

Step 3. Now that the DMG file has been converted to ISO format, you can use the following command to burn it to a disk. Before that, insert a disk into the optical drive: isoburn.exe /Q E: 'C:UsersUsernameDesktopdestinationfile.iso'

Step 4. This command utilizes the Windows native disk image burner to burn the ISO to the disk in your optical drive. The ISO file can't be used directly in macOS, but it can be mounted as a virtual drive. Once you do this, you can convert it back to DMG using Disk Utility in Mac. You can then use this as your bootable macOS installer.

As you can see, this is a bit of a workaround because DMG files aren't natively supported in Windows. Likewise, ISO files aren't fully supported in macOS. However, you can use this method to create a macOS installation disk in Windows. If you want a much simpler solution, then review the next method shown here.

Summary

If you ask us how to create a bootable macOS installation disk, this is the method we recommend. There's no confusing command line work involved, you don't need a bunch of additional software utilities to get the job done, and the high accuracy of the application ensures that you won't be wasting disk after disk trying to burn the installation media for macOS onto a disk. Use WizDMG as a quick and painless way to create a macOS installation disk in a very short time.

Related Articles & Tips

youtube-dl is an Open Source command line tool that lets you download video from YouTube (and many other videos sites). It’s often considered better than those paid video downloaders. In our previous article, we saw how to use youtube-dl to download videos on Android terminal. Even Windows has a YouTube GUI client, there are no such resources available for macOS. So, in this article, we’ll give you a walkthrough on how to install youtube dl on mac. Let’s begin.

Read: 5 best ways to Password Protect folders on mac

youtube-dl Installation

1. To install, youtube-dl, you need to install Wget first. And in order to install Wget, you need to install homebrew first. So, copy paste the following command on your Mac’s terminal (press cmd + space and type in terminal). Once you run the following command, you Mac will download Homebrew master file from Github. You may have to enter your Mac’s password several times. The whole process will take 10-15 minutes depending on your Internet speed.

2. Once you have downloaded Homebrew, you are ready to install Wget. Type in the following command and also enable OpenSSL for TLS support.

3. Now that we have Wget to download packages from the internet, we will use it to download and install Youtube-dl package. Type in the following command and press enter.

4. You have now successfully installed youtube-dl on your Mac, however, it won’t work yet. To check you can type youtube-dl on your terminal and it’ll throw a permission error. Dmg mori sprint 20 8. To fix this, you need to give the right permissions, type in the following command and press enter.

5. And that’s it, now you should be able to download YouTube videos (or any videos from youtube-dl supported sites) by simply typing youtube-dl [video-link]. For example, to download one of my videos from YouTube, I’ll type in the following command.

youtube-dl https://youtu.be/LxTcvc4cgCY

Install Dmg From Terminal Mac Address

6. You can find the downloaded video in your home folder on your mac. To bring up the home folder simply go to Finder > Go > Home or press the keyboard shortcut CMD + Shift + H.

Must Read: 10 Free macOS apps to boost your Productivity

Install Dmg From Terminal Mac Command

Download 1080p video using FFmpeg

Install Dmg From Terminal Mac 2017

By default, FFmpeg will download the second highest resolution. You may have to install FFmpeg to get the highest quality video. Without FFmpeg, you will likely get the second highest which in our case was 720p. To install FFmpeg, type in the following command.

brew install youtube-dl ffmpeg

Also Read: 5 ways to transfer files from mac to mac

Wrapping Up

So, this is how you use youtube-dl to download videos using your terminal. The app works exactly as advertised, yet not many people know about it. Anyway, if you wish to change your download location or download different resolution of the video, you can check out youtube-dl command line parameters on Github.