cd Desktop
sudo diskutil list
sudo umount disk2
or sudo umount /dev/disk2
. Instead of disk2, type your identifier.sudo diskutil umount disk2s1
or sudo diskutil umount /dev/disk2s1
. Instead of disk2s1, type your identifier.sudo dd bs=4m if=image_file_name.xxx of=/dev/disk2
dd
to copy the ISO to the USB drive (as one typically does when installing a Linux distribution, for example), but it turns out that this does not satisfy the UEFI boot process. After some research and a lot of trial and error, I found that the USB drive must be formatted with a FAT32 partition and the MBR partitioning scheme, after which you can simply mount the Windows 10 ISO in macOS and copy the files to the drive.diskutil list
and find the identifier of the USB drive (this will be something like disk2
or disk3
; make sure you find the right one, since you could erase the wrong drive and lose data if you don’t use the correct identifier). Next, the following command can be used to format the drive (replace disk#
with the actual identifier for your USB drive) and mount it as a volume named WINDOWS10
:cp
from the command-line did work without any issues. When I opened the Windows 10 Fall Creators Update ISO, it mounted as a volume named CCCOMA_X64FRE_EN-US_DV9
, so I used the following command to copy its contents to the USB drive: