Creating a bootable macOS USB from a DMG depends entirely on which operating system you are currently using. While Apple's official method uses a command-line tool within an existing macOS environment, third-party utilities allow you to do this from Windows or Linux. Requirements
Select the USB installer volume using the arrow keys and press . For Apple Silicon Macs (M1/M2/M3 Chips): Shut down your Mac completely. Insert the bootable USB installer. create mac os x bootable usb installer from dmg
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Before you begin, gather these essential items: For Apple Silicon Macs (M1/M2/M3 Chips): Shut down
Before starting, ensure you have the correct hardware and software ready to prevent data loss or execution errors.
Once formatted, right-click the USB drive again and select .
Use the arrow keys to select the yellow drive icon labeled , then press Enter . On Apple Silicon Macs (M1/M2/M3/M4 Chips): Shut down the Mac completely. Insert your bootable USB installer.