Create macOS Catalina Bootable Installer for Fresh Installation: 2 Easy Steps (With Installation Steps)

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In the post, I will share the easiest method to Create macOS Catalina Bootable Installer for Fresh Installation. This guide is only applicable for users who are using a MAC. If you are using a Windows PC and want to create a macOS Catalina Bootable Installer, you need to refer to a different guide- How To Create macOS Catalina Bootable USB on Windows: 4 Easy Steps (+Video Tutorial).

macOS Catalina Bootable Installer helps you install a fresh macOS Catalina on your MAC system. This guide will help you Create macOS Catalina Bootable Installer for Fresh Installation. So let’s proceed!

Create macOS Catalina Bootable Installer for Fresh Installation: 2 Easy Steps (With Installation Steps)

System requirements for macOS Catalina Installation:

MacBook (early 2015 or newer);
MacBook Air (mid-2012 or newer);
MacBook Pro (mid-2012 or newer);
Mac mini (late 2012 or newer);
iMac (late 2012 or newer);
iMac Pro (2017 or newer);
Mac Pro (late 2013 or newer).

Create macOS Catalina Bootable Installer for Fresh Installation: What do you need?

A USB Drive or an external drive with a minimum of 16GB free space.
macOS Catalina Installer File. (Links provided below)

Create macOS Catalina Bootable Installer for Fresh Installation: 2 Step Guide

Step 1: You need to download the latest version of the macOS Catalina Installer File directly from Apple Store.

Below are the download links that you can use to directly download macOS Catalina installer file from Apple Store.

Download macOS Catalina Installer File

Once the downloading is complete, exit the installer application. You can simply see the snapshot below and follow the steps-

To check whether you have downloaded the right file, browse to your Finder > Application and look out for the macOS Catalina Installer file. Its an .app file. See the snapshot below for the confirmation.

Step 2: Create macOS Catalina Bootable Installer for Fresh Installation

The process is very easy and technical at the same time. So make sure you are following each and every step carefully or you will end up with a corrupt installer.

Now, insert your USB drive or the external drive.

Next step is to Erase the previous contents of your USD Drive and convert it into a compatible format. For this, open your Disk Utility and select your USB (in my case its ESD-USB, see the below snapshot). Select the USB and click Erase and choose the required format as Mac OS X Extended (Journaled).

Enter the title of your USB– this title will be used in the next step. Try to keep it easy to remember. In my case I am using USBFlashDrive. Refer to the snapshot below.

After successfully erasing the USB, close the Disk Utility.

Next step is to open your LaunchPad and search for Terminal and open it.

You will see a set of line starting with Last Login time and date. Now, copy paste the following lines in your terminal.

sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia --volume /Volumes/USBFlashDrive

Note: USBFlashDrive is the title of your USB that you have kept while Erasing the disk.

Enter your password and wait for the process to finish.

If you are using a Windows PC and want to create a macOS Catalina Bootable Installer, you need to refer to a different guide- How To Create macOS Catalina Bootable USB on Windows: 4 Easy Steps (+Video Tutorial).

How to Install macOS Catalina from Bootable Installer

Insert the macOS Catalina Bootable Installer USB to your MAC.

Restart your Mac.
Power to the Mac and hold on to the Options button on the keyboard.

Select the Install macOS Catalina from the menu.

Then, the utility window will open, you have to pick the disk drive utility. You need to erase the drive that you would like to install macOS Catalina into.

Once you’ve finished then click on the Install button and then wait for the setup to complete.

Create macOS Catalina Bootable Installer for Fresh Installation: Conclusion

So this was an easy guide to Create macOS Catalina Bootable Installer and continue a fresh installation on your MAC. Make sure you follow all the steps in the right manner for a peaceful installation. If you face any issues with the creation and installation. Please leave your queries below and I will try to solve them for you. Stay tuned for more updates at LogMod.com