How do you fix an error occurred installing macOS?

“An Error Occurred While Preparing the Installation”, Fix

1. Restart your Mac. Simply restart your Mac to see if this fixes your problem.
2. Check the date and time. Make sure that the date and time on your Mac are set correctly.
3. Try installing in Safe Mode. Turn off your Mac.
4. Use macOS Recovery.
5. Use a combo update.

How do I fix OS X Yosemite?

Repair Disk Restart your Mac and hold down Command + R keys to launch the inbuilt Disk Utility. You will see a list at the left of the utility window that opens. Select your Mac in it. Select ‘Repair Disk’ located to the right of ‘Repair Disk Permissions’.

Why is an error occuring when I try to update my Mac?

Conclusion. If your Mac says that an error occurred while preparing the software update, this could indicate you don’t have enough free space to install the update. Free up some space and try again. Make sure you have at least 40 GB of free space.

How do I reinstall OSX without Apple ID?

macrumors 6502. If you install the OS from a USB stick, you don’t have to use your Apple ID. Boot from the USB stick, use the Disk Utility before installing, erase your computer’s disk partitions, and then install.

Why do I keep getting an error when downloading macOS Big Sur?

Typically, a macOS download fails if you do not have enough storage space available on your Mac. To make sure you do, open up the Apple menu and click on ‘About This Mac. Delete them, then reboot your Mac and try to download macOS Big Sur again.

How do I reinstall Mac Big Sur?

How to install a new copy of macOS Big Sur in Recovery Mode

1. Connect your Mac to the internet via Wi-Fi or Ethernet.
2. Click on the Apple icon in the upper left corner of your screen.
3. Select Restart from the drop-down menu.
4. Hold down Command and R (⌘ + R) at the same time.
5. Click on Reinstall a new copy of macOS.