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Did you just see the An error occurred while preparing the installation/ update error while installing or updating macOS?
Instead, try out these simple fixes.
Installing macOS or updating a Mac machine is quite convenient compared to Windows devices.
However, sometimes, your Mac can not accept an update or prepare for the new installation process.
If you ever get stuck in such an issue, get started with the following troubleshooting ideas.
Reasons Behind macOS Installation or Update Errors
Most Macs shouldnt show such an error ever.
If you do get such directions, try that first.
For your convenience, I organized the easiest fixes first.
However, there is no guarantee that all the latest macOS releases will support your existing Mac.
Suppose the gadget is compatible.
But, you may easily say what has internet to do with a bootable-disk basedmacOS installationprocess.
Hence, ensure your Mac is connected to a stable internet with 2 Mbps or better connectivity strength.
A Combo Update is a larger macOS package than the Delta Update.
A Combo Update can revamp your Mac from a couple of years old macOS setup to macOS Catalina.
Restart the Mac
One of the easiest tricks to fix most computer trouble is restarting the system.
This is also applicable to Mac.
Now, the process to enter the Recovery mode on Apple Silicon Mac and Intel Mac is slightly different.
Here is how:
Visit theHow to Download macOSportal to download or install macOS of your preferred edition.
Try the fixes in the order they appear to save time and effort.
Next up, how to useOpenCore Legacy Patcherto install macOS.