How To

How to Clean Install macOS 10.15 Catalina On Mac Via USB Drive

Here’s the way to clean install macOS 10.15 Catalina on Mac Via USB drive the correct way using this guide. It’s been bound to happen! However, macOS 10.15 Catalina is now accessible for any individual who has a good Mac. You can, obviously, update from your past adaptation of macOS if that is the thing that you need, however once, in a while, it isn’t the most ideal approach.

Clean installations of macOS aren’t only for new Macs. Some of the time, having a new beginning isn’t just cleansing, yet required so as to iron out the wrinkles caused by using a similar installation for quite a long time and, frequently, crosswise over numerous Macs.

macOS 10.15 Catalina

If you would like to finish a full and clean installation of macOS 10.15 Catalina, here are the steps you have to pursue to get it going.


  • Before we begin, there are two or three things you have to do and know.
  • Ensure everything is completely sponsored up.
  • You’ll have to have a Mac that supports macOS 10.15 Catalina.
  • If you are wanting to use Sidecar on Catalina, make sure to check and see here whether your Mac will support this component or not.
  • With macOS Catalina, Apple has totally dropped help for 32-piece apps.

How do A Clean Install Of macOS 10.15 Catalina

1: You’ll have to have the installation file before you can do anything. Download it from here: Download: macOS Catalina 10.15 Final DMG/ISO Released, Update Now.

2: Now we have to make a bootable USB drive.

3: When you have your USB drive, turn your Mac off and embed it. Walk out on while holding the Option key. That will bring you into the boot menu and enable you to choose the USB drive.

Note: If you have a T2-chip empowered Mac, you will initially need to empower booting from outside capacity Via macOS Recovery.

4: This may take some time, however in the long run, you’ll be welcomed by the macOS Utilities menu. Select Disk Utility and afterward snap Continue.

5: Make sure that your Mac’s primary drive is chosen and after that snap Erase. Keep the name of the new drive as Macintosh HD and ensure that the organization is set as either “APFS (Encrypted)” (if you have a cutting edge Mac with quicker SSD) or “Macintosh OS Extended (Journaled)”. Press the Erase button to continue.

6: Now you’ve totally cleaned your drive. The following stage is to top it back off once more. Select Install macOS and after that snap Continue. Ensure that your recently arranged drive is chosen and pursue the prompts.

Also see: How to Fix iPhone XR Randomly Restarting Itself – iPhone XR Restart Continuously

It’s as simple as that. After the installation procedure finishes, you’ll be left with a totally spotless installation of macOS 10.15. Now you should simply reinstall all your apps and copy your records back over. Appreciate!

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