Creating a bootable macOS USB install drive has never been easier as it has a technical process attached! If you are looking forward to create a bootable macOS Catalina 10.15 USB install drive, you’ve arrived at the right place. The procedure which I have explained in today’s tutorial is simple and quick to implement.
The bootable macOS Catalina USB install drive can be either used to test on your another mac or you can also install it on a separate drive. This method will work for developer & public beta as well as the final version which is going to be launched this fall. So let’s see how to do it.
How to Create Bootable macOS Catalina USB Install Drive
To proceed, you will need a USB flash drive and it’s always better that you get a drive with a USB-C connection. Because that is what most of the MacBooks have it in their ports.
Pro Tip: Make sure that the USB flash drive which you’re going to use in this procedure has at least 16GB of space and it must be formatted completely before getting started!
Step #1. If you’re a developer, you can download the developer beta version from here and if you’re looking for a public beta, you can get it from here. Meanwhile, once the final version of macOS Catalina is launched, you can download it directly from the Mac App Store.
Step #2. Once the macOS Catalina is downloaded on your system, the installer will be launched which you need to close it right when it pops up!
Step #3. Now head over to Finder → Applications → right-click on Install macOS Catalina Beta & click on Show Package Contents. Next, open Contents followed by Resources.
Step #4. Launch the Terminal window by following this path, Applications → Utilities → Terminal. Once opened, type sudo with space. In step #2, you’ve opened resources in which you need to drag createinstallmedia to the terminal window.
Step #6. Head over to Go To Folder via Finder → Go → Go To Folder. In go to folder, type /Volume and click on Go.
Step #7. Now insert your USB flash drive on your Mac and it will now appear in the Finder window within seconds. Next, drag the USB flash drive into the Terminal window.
Step #8. Press Return key on the keyboard to initiate the process and to submit full command. Enter the password when it asks in the terminal window.
Step #9. Now type Y when it asks to in the Terminal window and press Return key again on the keyboard.
Step #10. Once done, it will remove all the existing files in USB flash drive if any and it will then install the installer files into the USB flash drive.
The overall process would take some time to complete. Ensure that you do not press anything on your Mac until the process is completed. Once done, your USB flash drive is successfully booted with macOS Catalina 10.15!
So this is how you can easily create a bootable macOS Catalina 10.15 USB install drive. Let us know in the comment section if you face any issues while creating this bootable USB drive on your Mac.
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