Creating a bootable installer.

How can I create a bootable usb on macOS Sonoma.

I want to create a macOS Catalina bootable USB for my old MBA because the recovery utility is not working.

MacBook Air 13″, macOS 14.0

Posted on Aug 29, 2023 04:10 AM

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woodmeister50

Level 7

20,859 points

Posted on Aug 29, 2023 05:46 AM

Generally speaking, you are not allowed by your terms of use agreement to discuss in public any a beta OS.

With that said, creating a bootable installer has been unchanged for quite some time.:

Create a bootable installer for macOS - Apple Support

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2 replies

Top-ranking reply

woodmeister50

Level 7

20,859 points

Aug 29, 2023 05:46 AM in response to Hridayx24

Generally speaking, you are not allowed by your terms of use agreement to discuss in public any a beta OS.

With that said, creating a bootable installer has been unchanged for quite some time.:

Create a bootable installer for macOS - Apple Support

HWTech

Level 9

66,686 points

Aug 29, 2023 09:02 AM in response to Hridayx24

Also keep in mind this "Sonoma" Mac must also be compatible with the OS you want to create a USB installer....which in this case does your Sonoma Mac support Catalina? If not, then you will need to find another Mac generally from 2012 to 2019 to use to download & create the bootable macOS 10.15 USB installer.

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Creating a bootable installer.