Now that you have all the necessary ingredients, you’re ready to make a Mac OS X bootable USB using the DMG file of the operating system with the steps below. Requirementsīefore you dive into this guide, you’ll need a few things: These instructions will also work for Windows users who are running Mac OS X on a virtual machine and need to upgrade to the latest version. However, if you find yourself on a scenario where your device (iMac, MacBook Pro, Air, Mac Pro or Mini) is not responding and you happen to have a Windows 10 device, then you can still be able to make a USB bootable installation media for your Mac OS X to reinstall the operating system using the Recovery Assistant.
This is why it’s recommended that you make a Mac OS X bootable USB when your Mac is in working conditions.
If you’re still using a Mac OS X the time will come when your computer won’t boot, or a problem may arise where you can’t take control of the device, and booting from an OS X installation media will be required.