Make Catalina Install Disk

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If you only have one Mac to update to Catalina, then just down load it from the App Store and you are good to go. However, if you are responsible for updating several Macs for family or friends, then it behooves you to make a MacOS Catalina Install Disk using a USB Flash Drive. This article describes exactly how to do that using the Install Disk Creator App which I have used with great success.


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