At the “macOS Utilities” screen, choose “Disk Utility”.
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INSTALL MAC OS ON PC CHOOSE OS INSTALL
It’s important to remember that a clean install will erase all data and everything on the Mac. Have a complete backup of the Mac and all important data made, use Time Machine to backup or another thorough backup method of your choice.Have a MacOS Catalina boot USB installer drive already made and ready to use.The Mac must be compatible with macOS Catalina.Be sure you have a complete backup of your Mac and all important data made before proceeding.Ī clean install of MacOS Catalina 10.15.x requires the following:
![install mac os on pc choose os install mac os on pc choose os](http://www.kalena.com/mac/PBG4667_OS9screen_near_med.jpg)
![install mac os on pc choose os install mac os on pc choose os](https://img.bhs4.com/53/c/53c52ce92e195313597766123a7229cc0ac15233_large.jpg)
Clean installs are not recommended for most Mac users and because the hard disk is erased it has potential to cause permanent data loss, so this is really only appropriate for advanced users with a compelling reason to format their Mac and start over, or if someone is selling a Mac or transferring ownership, or otherwise.