Mac users can use this tutorial to create a bootBlade flash to install a new Mac OS Catalina version. The McNeed team suggests installing this version, which is a beta version, on a Mac testing machine.


Requirements for making a boothb flash for macOS Catalina 10.15 Beta

To create a MacOS Catalina bootBI flash you need:

A flash of at least 16 GB or more (this flash will be formatted and its information will be lost)
A full version of the macOS 10.15 Beta operating system in your Applications folder. (Download macOS Catalina 10.15 Beta)
A Mac that connects to the Internet
Click here to view macOS Catalina devices.
How to make a macOS catalina 10.15 beta flash drive

1. Connect your USB flash drive to your Mac.

Run the Terminal application. This application can be found in / Applications / Utilities.

3. Enter the following in your terminal and enter the name of your USB device instead of UNTITLED:

sudo / Applications / Install \ macOS \ 10.15 \ Beta.app/Contents/Resources/createinstallmedia –volume / Volumes / UNTITLED && echo Catalina Boot Drive Created


4. First check that you have entered the correct box, and then hit the Enter / Return button on the keyboard.

Enter your system password.

6. Wait for the steps to be taken. It may take a while.


When your macOS Catalina 10.15 flash bootBoot is made, you can use it on your Mac like other BootBoilers.

How to create a boothb flash for installing macOS Catalina Beta?


How to boot your device with macOs Catalina Beta

– First, enter your bottle flash.

– Restart your Mac.

– Hold the OPTION key immediately and continue to do so until you see the boot menu.

– MacOS Catalina 10.15 beta driver bootstrap.

How to create a boothb flash for installing macOS Catalina Beta?


After booting your system, you can format any disk you want with Disk Utility.


Did you build a soccer flash from macOS Catalina beta? What was your experience with using this operating system?

Thanks for sharing with us.

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