Our How and Where to Download Windows 10 piece explains everything you need to know. However, doing so via Microsoft's Windows 10 download and installation tool is best. This process also works to burn a Windows 10 ISO to USB. Continue on below for an easy tutorial on how to burn an ISO file to USB with the free Rufus program. Regardless, there's a fantastic free tool that will handle all of this for you automatically. This term has just been carried over from the common practice of burning an ISO image to an optical disc. We should mention here that you're never technically 'burning' anything to a USB drive since there are no lasers or similar technology involved. That process is a bit different.and easier!

See Burning an ISO to USB When You Don't Need to Boot From It at the bottom of the page if that's your plan instead. Adding to the complexity is that you plan on booting from the USB drive once you're done getting the ISO image on there. It's even different than burning an ISO to a disc. Properly burning an ISO to USB is different than just copying the file. Sounds straightforward, right? Copy the file over and you're done! You also need to be able to boot from it. So you have an ISO file that you want on a flash drive, or some other USB storage device. It requires a single USB drive formatted as FAT with at least 2 GB free recommended. This is the Mac Linux USB Loader, a tool allowing you to take an ISO of a Linux distribution and make it boot using EFI.

Download and install a copy of TransMac, which is the software that will make everything happen. After converting the USB flash drive from MBR to GPT format, you can use the steps below to create a bootable USB installation media to install Mac OS X.

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