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 upgrade macOS or reinstall macOS, but it can be useful when you want to install on multiple computers without downloading the installer each time.
Download macOS
A DMG file, like ISO, can be used to install macOS operating system or Mac apps. If the Mac computer was broken or crashed and couln't get into the system, but you only have access to a Windows PC, there's still a way to make a bootable macOS install USB on Windows. This article looks at three applications that you can use to create a bootable. How to Open a DMG File in Windows Martin Hendrikx Updated April 2, 2018, 10:29pm EDT Whether you are an avid Mac programmer using a Windows PC, or you just found a DMG file on your Windows machine, it can be useful to know what it is and how to open it.
Dec 14, 2019 Download macOS Catalina/Mojave dmg file. To create macOS USB installer you need to have a dmg file of macOS Catalina/ Mojave. For this purpose you can use App Store. If you do not have a functional mac you may download the dmg file from third party websites.
Find the appropriate download link in the upgrade instructions for each macOS version:
Use the 'createinstallmedia' command in Terminal
* 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
After creating the bootable installer, follow these steps to use it:
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:
Mojave:
High Sierra:
Dmg Installer For Mac
Sierra:
How To Install Dmg File On Mac From Usb Mac
How to open dmg part files on mac. El Capitan:
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