How To Create MacOS High Sierra ISO File

Whether you want to create macOS High Sierra ISO file for installing macOS High Sierra on VMware or installing macOS High Sierra on VirtualBox or any other reason, we’ve completely made it ready to do. While there are two methods to install macOS High Sierra on Windows, first install macOS High Sierra on VMware and next install macOS High Sierra on VirtualBox. We’ve also provided macOS High Sierra DMG file. Now these two ways split into two other ways to install High Sierra on Windows.

That’s the same installing High Sierra on VMware and installing High Sierra on VirtualBox but these ways hugely differ from the first which includes its files and steps. Like we install High Sierra on VMware in the first method with High Sierra VMware & VirtualBox Image. For installing High Sierra this time, we’ll need a macOS High Sierra ISO file. Here’s how to Create macOS High Sierra ISO File.

Related: Install macOS High Sierra on VirtualBox on macOS Catalina on Mac

There are two different ways to obtain macOS High Sierra ISO, first, create macOS High Sierra ISO file, second, download macOS High Sierra ISO, so we’ve prepared and shown it step by step beforehand.

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macOS High Sierra

For creating macOS High Sierra ISO, we’ll need a few things. First, a macOS running on a virtual machine or an actual Mac and second a reliable internet connection for downloading macOS High Sierra from the App Store which will be then converted to ISO. If you’re one of those users who have these services in hand, we could likely show how to Create macOS High Sierra ISO file. This could be probably done on High Sierra installed on VMware or VirtualBox which is similar to it. From downloading High Sierra to converting it into ISO, we’ll show it thoroughly in a step by step instructions tutorial. Here’s how to Create a macOS High Sierra ISO file.

How to Create macOS High Sierra ISO File

Just like we’ve created macOS Catalina ISO file and also provided macOS Catalina ISO file for VMware & VirtualBox, we’ll continue on how to create macOS High Sierra ISO file. This High Sierra file will definitely work for installing macOS High Sierra on VMWare and VirtualBox for the new method and even can be used for other purposes but we recommend using this method for educational purposes only.

This process can be done on any macOS version like macOS Mojave, macOS Catalina or previous or newer version, so we’ve done it on macOS Catalina, it works super fine.

Step One – Download macOS High Sierra From App Store

As High Sierra is officially on the App Store and also its the latest version, we’ll need to download it first.

Go ahead and navigate to the High Sierra link, and click on Get.

After it will end up loading, it will pop up this window. Click on Download.

The downloading will begin a moment, so just wait. Since it’s about 7GB, it will take some while, so have a rest.

Step Two – Apply Commands on Terminal

When the High Sierra finished, it will pop up in the apps list.

Now open up Terminal from the Spotlight.

Now copy and paste the commands by line.

Create a High Sierra DMG Image

hdiutil create -o /tmp/Highsierra -size 7900m -volname highsierra -layout SPUD -fs HFS+J

Mount DMG image to macOS

hdiutil attach /tmp/Highsierra.dmg -noverify -mountpoint /Volumes/Highsierra

Use the Createinstallmedia Tool to create a macOS High Sierra Installer

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

Unmount Disk image

hdiutil detach /volumes/Install\ macOS\ High\ Sierra

Convert DMG File to ISO file

hdiutil convert /tmp/Highsierra.dmg -format UDTO -o ~/Desktop/Highsierra

Rename and Mojave Image file to Desktop

mv ~/Desktop/Highsierra.cdr ~/Desktop/Highsierra.iso

The macOS High Sierra ISO should be successfully created and there should be no problem. If there’s a problem or a command doesn’t respond, try entering it once more. Here’s how it looks like.

Now you can copy it simply by dragging and dropping into the Windows.

Step Three – Install macOS High Sierra on VMware or VirtualBox

Once its with you, you can definitely start installing macOS High Sierra on VMware or install High Sierra on VirtualBox on Windows PC. Here’s how to use it and install macOS High Sierra on Windows with complete steps.