Creating a Mac OS X installation USB flash drive can be done on a Windows or Mac OS X operating system, for a Windows operating system a third party application is required, namely Transmac (can be downloaded here) while for Mac OS X you can use the Disk Utility application.
- prepare a 8GB USB flash drive
- download Mac OS X Mojave installer image file
- download and install the Transmac application if you use the Windows Operating System
Creating a Mac OS X Mojave Installer USB Flash Drive in a Windows Operating System
- Enter the Windows Operating System, then run Transmac application as administrator (right-click select run menu as administrator)
- highlight the flash drive that you will use as the installation media
- right click then select restore with disc image menu
- select the Mac OS X Mojave installer image file that you downloaded
- wait until it’s finished
- if there is no error message, then the flash drive installer is ready for use.
Creating a Mac OS X Mojave Installer USB Flash Drive on Mac OS X
- Open Disk Utility application
- highlight the flash drive that you will use as an installation media
- select tab Restore
- in the Source section, select the Mac OS X Mojave installer image file that you downloaded
- click and drag the flash drive that you will use as the installation media to the Destination
- click the Restore button
- wait until it’s finished
- if there is no error message, then the flashdisk installer is ready for use.