What's New in Catalina 10.15.2: The macOS Catalina 10.15.2 update improves the stability, reliability and performance of your Mac and is recommended for all users. This update adds the following. MacOS Catalina 10.15.7 Supplemental Update 2. MacOS Catalina 10.15.7 supplemental update addresses an issue that may prevent the battery from charging in some 2016 and 2017 MacBook Pro models.
In this article, I’ve listed the download links for downloading the macOS Catalina ISO image. macOS Catalina was released in Worldwide Developer Conference (WWDC19). The latest version of this OS is macOS Catalina 10.15.5 (19F101). Apple has released there new OS, macOS Big Sur on WWDC20. If you want to try and test macOS Big Sur, follow how to install macOS Big Sur on VMware or how to install macOS Big Sur on VirtualBox guides.
Mac Catalina Iso Download
Apple has announced Apple Podcast, TV, and Music app on macOS Catalina operating system. The Dark Mode, which is another most wanted feature that thousands of Mac users were waiting for, was released in the earlier version of Mac OS “Mojave 10.14”. Now it’s also available in macOS Catalina 10.15. There were many other features that you can read on Apple.com.
If you want to install macOS Catalina using VMDK image, you can Download macOS Catalina VMDK for VMWare & VirtualBox.
Download macOS Catalina ISO Image
- Download macOS Catalina 10.15.5 (19F101)Latest
- Download macOS Catalina 10.15 (19A4871)Beta
Related: Install macOS Catalina on VMware -Windows
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Related: Install macOS Catalina on VirtualBox -Windows
Conclusion
After reading this piece of information, you should have downloaded macOS Catalina ISO Image. The ISO file which is linked for download in this post is up to date and currently the latest version of macOS Catalina.
If you’ve any suggestions or any topics that you want us to cover in the next article, please let us know in the comment section below this post.
Prerequisits
- Sign up for the Beta Program https://beta.apple.com/sp/betaprogram.
- Create a Time Machine Backup (just in case).
Download the Beta
- Cmd + Space -> Software Update.
- Where it says 'macOS Catalina Beta' click 'Upgrade Now'.
- Once it has finished downloading and it starts the installer, quit the installer.
You should now have a file called /Applications/Install macOS Catalina Beta.app.
Create the bootable installer
- Create a disk image:
- Attach the disk image:
* NOTE: There is an additional .dmg suffix, you must add that.3. Create the bootable installer in the disk image:
- Add the prompt, enter your password.
- Press
Ythenreturnwhen prompted to erase the volume at/Volumes/install_build.
Now the disk image ~/macOS-Catalina-Beta will contain the bootable installer.
Unmount the disk image
If you are like me then creating the bootable installer above would gotten rid of the /Volumes/install_build mount pointand instead mounted it to /Volumes/Install macOS Catalina Beta. You might see this in the output of the previous command:
This seems to be a real pain to unmount.
The normal way to detach doesn't work:
You can also try:
Now you can kill that process with kill -9 3348 and try again but when I did that it didn't seem to work.
What did end up working for me is just to restart.
Convert the disk image to an ISO
Finally, to convert the disk image to an ISO run:
It should say:
Which you can rename to get rid of the unnecessary .cdr suffix:
Mac Catalina Iso Download
If it still says:
Macos Catalina Iso Virtualbox
Then you still need to get rid of that pesky mount point.