the process is different depending on if you are setting up the bootable usb installer using macos or windows. For this step, you will need a usb drive that is at least 16gb. select install macos (or install os x) from the utilities window, then click continue and follow the onscreen instructions. If you can't start up from the bootable installer, make sure that the external boot setting in startup security utility is set to allow booting from external media. or alternatively, you can download it through torrent. to get mac os x installerapps you can ask help from a friend who has “real macintosh” to download it from the app store. Mac os installer retail version of yosemite, el capitan or mac os sierra, choose one you desire to make the bootable usb. finally, you’ll be at the destination select option, and this is where you’ll be choosing the usb drive that you just formatted. open unibeast and continue through the terms and any prompts that come up. Everything on your drive will be deleted, so make a backup of any important documents or files that may exist on the usb. however, you can create bootable usb for macos mojave using transmac and transmac is a very light software for windows pc. that’s all about how to create a bootable usb for macos mojave on windows pc. usb boot hackintosh conclusion bootable usb hackintosh high sierra.