How to create Windows 11 install media on your Mac 2024/07

create_usb.sh

# on 2024/07, Windows Media ISO is not available directly download
# available only "Create Windows 11 Installation Media" tool
# => https://www.microsoft.com/software-download/windows11
# downloadable Windows.iso has not inlclude install.wim but install.esd available
# extract install.esd with wimexport tool
#
# reference base (thanks)
# https://lavacreeper.medium.com/how-to-make-a-windows-11-bootable-usb-on-a-mac-a52a7c8495dc

# install wimlib
brew install wimlib

# mount Windows.iso
hdiutil mount ~/Downloads/Windows.iso

# format usb
diskutil list
diskutil eraseDisk MS-DOS "WIN11" MBR diskXXX

# copy exclude install.esd
rsync -vha --exclude=sources/install.esd /Volumes/ESD-ISO/* /Volumes/WIN11

# extract install.esd -> install.wim
wimexport /Volumes/ESD-ISO/sources/install.esd all ~/install.wim --compress=LZX

# split install.wim -> install.swm by 4GB
wimlib-imagex split ~/install.wim /Volumes/WIN11/sources/install.swm 4000

# eject
diskutil eject /Volumes/ESD-ISO
diskutil eject /Volumes/WIN11