If you want to do a clean install of macOS Mojave, you may know how to create USB Bootable Installer macOS. The easiest way to create a USB flash installer is using Dismaker X it’s a most popular app and simple and free to use.
DiskMaker X is an application built with AppleScript use with many versions of OS X/macOS to build a bootable drive from OS X/macOS installer program.
Before starting with this guide, make sure you have download macOS Mojave Install app and had installed DiskMaker X 8.0.3 (macOS Mojave compatible). If you don’t have installed yet download here Download DiskMaker X 8.0.3 (10.6 MB) and you need to have at least 8GB USB flash drive.
Step 1: Launch DiskMaker X 8
Attach the drive to the Mac, make sure that the drive is visible from the Finder, then launch DiskMaker X 8. Note that if you’ve kept macOS installers from the past in your Applications folder it would automatically be detected for that you may choose
use this copy
If you want to choose from other location click on the button
use another copy and find macOS on the directory already, choose on macOS Mojave icon to attach on drive
Step 2: Chose USB Driver
You will be presented on the screen window Wich kind of disk will you use, click on button
An 8GB USB thumb driver (ERASE ALL DISK)
Please choose the disk you wish to erase, choose on drive name then click on button
Choose this disk
Step 3: Erase and Create Disk
To confirmation erase all of the entire disk, click on button
Erase then create disk it will prompt new window just click
During the disk creation process, temporary windows open will close and working behind the window, Just waiting for the process to finish
Step 4: Ready to Use
MacOS boot disk is ready to use, press on
quit to exit all Diskmaker X, you may reboot your mac machine once at starting press hold alt(option) to boot and install macOS Mojave
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