Create Mac Os X: Bootable Usb Installer From Dmg Portable

: Ensure it is compatible with your target Mac model. Backup : The process will erase all data on the USB drive. Option 1: On a Mac (Official Method)

Unmount the USB drive:

If you are starting from a raw DMG file and don't want to use Terminal, several tools can "burn" the image directly to a USB. How to install macos using usb drive? Need help on this! create mac os x bootable usb installer from dmg