These advanced steps are primarily for system administrators and others who are familiar with the command line. You don't need a bootable installer to install macOS, but it can be useful when you want to install on multiple computers without downloading the installer each time.
If DMG file is clean, it will produce an ISO file. Mounting this ISO file which came from DMG is easy in VirtualBox. Go to Virtual media manager in VB and add ISO file under CD/DVD images as below. Hope this guide is useful in mounting the DMG disk file on Virtualbox with Windows Operating System host. In this tutorial we will show you step by step how to create ans make a bootable USB Flash Drive from a Mac OSX.DMG image file from Windows 10 (Sometimes called pen drive / thumb dive) so you. The step by step process for converting macOS Mojave, High Sierra, Sierra, EI Capitan to the bootable.DMG or.ISO is explained below. First of all, download the full Mac OS installer, and save it in the Applications folder.
Open Disk Utility in the Utilities' folder. After Disk Utility loads select the drive (out-dented entry with the mfg.' S ID and size) from the side list. Click on the Erase tab in the Disk Utility toolbar. Name the drive, 'MyVolume'. Bootable ISO Maker: WinISO can make bootable CD/DVD/Blu-ray Disc. This feature allows you to make bootable ISO file. Before beginning this process, you should first have boot information. This file can be made by booting file software, then using WinISO to make a bootable ISO file in few steps.
Download macOS
Download a macOS installer.* You can find the appropriate download link in the upgrade instructions for macOS Catalina, macOS Mojave, macOS High Sierra, macOS Sierra, and OS X El Capitan.
![Iso Iso](/uploads/1/3/3/9/133945689/230070666.jpg)
- If the macOS installer opens after downloading, quit it without continuing installation.
- macOS Sierra and El Capitan download as a disk image that contains an installer named InstallOS.pkg or InstallMacOSX.pkg. Run this installer before continuing.
- If downloading macOS Catalina, macOS Mojave, or macOS High Sierra for the purpose of creating a bootable installer, your Mac must be using macOS Sierra 10.12.5 or later, or El Capitan 10.11.6. Enterprise administrators, please download from Apple, not a locally hosted software-update server.
Then find the installer in your Applications folder as a single ”Install” file, such as Install macOS Catalina.
Use the 'createinstallmedia' command in Terminal
Dmg To Iso To Bootable Disk
- Connect the USB flash drive or other volume you're using for the bootable installer. Make sure that it has at least 12GB of available storage and is formatted as Mac OS Extended.
- Open Terminal, which is in the Utilities folder of your Applications folder.
- Type or paste one of the following commands in Terminal. These assume that the installer is still in your Applications folder, and MyVolume is the name of the USB flash drive or other volume you're using. If it has a different name, replace
MyVolume
in these commands with the name of your volume.
Catalina:*
Mojave:*
High Sierra:*
Sierra:
El Capitan: - Press Return after typing the command.
- When prompted, type your administrator password and press Return again. Terminal doesn't show any characters as you type your password.
- When prompted, type
Y
to confirm that you want to erase the volume, then press Return. Terminal shows the progress as the bootable installer is created. - When Terminal says that it's done, the volume will have the same name as the installer you downloaded, such as Install macOS Mojave. You can now quit Terminal and eject the volume.
* If your Mac is using macOS Sierra or earlier, include the
--applicationpath
argument, similar to the way this argument is used in the commands for Sierra and El Capitan.Use the bootable installer
Dmg gaming term. After creating the bootable installer, follow these steps to use it.
![Dmg To Iso Bootable Dmg To Iso Bootable](/uploads/1/3/3/9/133945689/134479064.jpg)
- Connect the bootable installer to a compatible Mac.
- Use Startup Manager or Startup Disk preferences to select the bootable installer as the startup disk, then start up from it. Your Mac will start up to macOS Recovery.
Learn about selecting a startup disk, including what to do if your Mac doesn't start up from it. - Choose your language, if prompted.
- A bootable installer doesn't download macOS from the Internet, but it does require the Internet to get information specific to your Mac model, such as firmware updates. If you need to connect to a Wi-Fi network, use the Wi-Fi menu in the menu bar.
- Select Install macOS (or Install OS X) from the Utilities window, then click Continue and follow the onscreen instructions.
Learn more
For more information about the
createinstallmedia
command and the arguments that you can use with it, make sure that the macOS installer is in your Applications folder, then enter this path in Terminal:Catalina:
Dmg File To Iso Bootable
Mojave:
Dmg To Iso Burn
Sierra:
El Capitan: