Clean Install MacOS Catalina on any Mac

The clean install process is easy.

In the video we will show you how to do a clean install of MacOS Catalina on any Mac.
In a previous video I showed you how to create a MacOS Catalina installer USB and I here is the link. Create MacOS Installer Drive.

Once you have followed that video and created your USB we can now show you how to do a clean install on any Mac.

One more thing to mention your USB can be USB type A or USB type C it doesn’t matter which one. If you want to buy one similar to what I am using here’s the link.

🔥 Do you want a USB drive like the one in the video? Click here. https://amzn.to/2NqJI5k

Step 1 – Clean Install MacOS

Go ahead and shutdown your Mac. Apple Menu > Shut Down and Select Shutdown again. Next plug in your MacOS Catalina USB. Press and hold your Alt Option Key on your Keyboard and press your power button to turn your Mac on.

You should then see the Boot menu with Install macOS Catalina, use the arrow keys and select Mac OS Catalina drive. Press return on your keyboard.

It will eventually boot you into the macOS Utilities menu. If you want to Upgrade or Install a new copy of macOS, select the install macOS option. I want to show you a clean install so I am going to wipe the hard drive first. Click Disk Utility.

Clean Install MacOS
Disk Utility a program to help you format your hard disk before installing MacOS Catalina.

Step 2 – Disk Utility

When you are in Disk Utility, select your Internal Hard drive in the top left hand corner and press partition. Press partition again. Give your partition an Name in this case I will call it Mac HD. Under format you can select APFS or if you have an older drive Mac OS Extended (Journaled).Click Apply and click Partition. When you have done that go back up to Disk Utility menu and Quit Disk Utility.

Alright you have wiped your hard drive and now you are about to do a clean install of macOS. Select install macOS. Click continue. Agree to the terms. Select Mac HD and then click install.

So by now you Mac would have rebooted and you should get the Welcome screen where you select the country you are from. You have now done a clean install of macOS Catalina and you can just go through all the mac setup prompts, similar to when you first purchased your mac.

Ok Guys, Don’t forget to check out my other videos.

Create macOS Catalina USB Installer Drive

Share files iPhone to Mac with AirDrop

Must have iPhone & Android Accessories

How to do a clean install of OS X Mavericks from USB

This video and article will show you how to do a clean install of OS X Mavericks from USB.

Step 1. Create a OS X Mavericks USB drive. You can do that by following the 123myIT video guide here.

Step 2. Once installed, plug the USB into the side of your computer restart the Mac and hold down the ALT or Option key on the keyboard of your Mac.

Step 3. Use the arrow keys on your Mac keyboard to navigate to the USB drive that you have plugged into your computer. Once highlighted press Enter or Return.

Mac Preboot Menu

Step 4. That will bring up the OS X Utilities menu. At this stage you can opt to format the hard drive with Disk Utilities. Make sure you backup your data before you do this as you will lose any data on the drive when you format it. If you want to know how to do a backup with Time Machine click here.

Step 5. Go back to Install OS X and follow the prompts. You will be asked to agree to Apple terms and conditions and you will also need to select the hard drive you want to do a clean install of OS X Mavericks on.

Step 6. This process should take around 30 mins depending on the speed of your Mac. The Mac will reboot a few times while this is happening.

Once the Mac restarts one last time and then you are done you will have to setup your Mac as if it was brand new from the Mac store. You will need to setup the country location, Wifi and there is also an option to transfer some files between your Mac and other computers. Then setup your Computer account.

For more information on OS X Mavericks you can check out the Apple official website here.