In the post, we will learn How to Convert macOS Catalina Installer to ISO. We recently discussed How to Create macOS Catalina Bootable Installer for Clean Installation: 2 Easy Steps (MAC only) that might have helped you to create a macOS Bootable USB.
Advanced Mac users get the freedom to convert macOS Catalina Installer to ISO file. Normally, the resulting installer ISO file is utilized to install macOS Catalina on Virtualbox and install macOS Catalina on VMWare.
Thanks for the quick response! Yep, I selected Full Install and followed the instructions in the video. But as you can see at 4:28 of the same video, the only thing that the gibMacOS’ subdirectory (“/macOS Downloads/public release/061-44387-10.15.3 macOS Catalina” contains is the RecoveryHDMetaDmg.pkg and nothing else. So, you will get the dmg file below and also you will know more about its amazing features from below. Download macOS Mojave dmg File and Install on VirtualBox & VMware. Download macOS Mojave dmg File and Install on PC Download the macOS Catalina with its amazing features. In macOS Mojave presented the App Store too. The dmg mounts fine. I can see the 'InstallMacOSX.pkg' file but it will not run. Seems the installer is running some logic that says this pkg wants to install a version of the OS that is incompatible i.e. Older than what is already on this machine.
This tutorial will walk through the steps of How to Convert macOS Catalina Installer to ISO.
In this specific walkthrough, we Convert macOS Catalina Installer to ISO.
How to Convert macOS Catalina Installer to ISO
Step 1: Download the macOS Catalina Installer file from AppStore. You can simply follow this link and download the macOS Catalina installer file (.app file).
Step 2: After the download is complete, do not proceed to install the macOS. Instead, close the installer and go to your application and look out for the installer file.
NOTE: The files must be present in your application folder to proceed with this tutorial.
Install Catalina Dmg Free
Step 3: Now open you launchpad, and click Terminal.
Step 4: Execute the following commands one by one.
Create a DMG file using the following command:
Next step is to mount the created Catalina DMG disk image:
Now use createinstallmedia command to create the macOS Catalina installer application on the mounted volume:
When createinstallmedia has finished, next you can unmount the volume you just created:
Now we convert the DMG disk image file to an ISO disk image file (technically a CDR file but it’s the same as an iso)
Finally, we rename the Catalina CDR file extension to Catalina ISO to convert the CDR to ISO:
Now you can see the macOS Catalina ISO file on the desktop as shown in the snapshot.
Conclusion: How to Convert macOS Catalina Installer to ISO: 4 Step Easy Guide
You can also use this guide How to Convert Bootable ISO File to Virtual Disk VHD/VMDK: 2 Way Guide and directly use them on your virtual systems.
Now, this macOS Catalina ISO file can be used as a bootable disk, or you can directly use it on any virtual system like VMWare and VirtualBox.
Install Catalina Mac Os
Related: How to Create macOS Catalina Bootable Installer for Clean Installation: 2 Easy Steps (MAC only)
Install Macos Catalina 10.15.4.dmg
Remember: In most cases, the ISO file that you have generated can only be used to run on Virtual Systems like Virtualbox and VMWare. They might not always work to create a bootable disk.
I hope this article has helped you to Convert macOS Catalina Installer to ISO.
You can also read: How to Speed Up macOS Catalina? 7 Easy Methods