I've downloaded Windows 10 from Microsoft and want to create a bootable USB stick for a PC. I've tried to flash the image with dd, but the stick did not boot.

Then I've flashed the image with bootcamp, it didn't boot either on my PC; it did however boot on my Mac.

How can I create a bootable Windows 10 USB stick to be bootable not on a Mac, but on a PC?

  • 1
    For me Bootcamp Manager refuses completely, and Etcher says to use the Bootcamp Manager. I can't find a single piece of software for macOS that can actually be used to create Windows 10 install media.
    – Andreas
    Oct 10 '19 at 0:46
  • I'm in this same boat. Urgently need to re-install Windows 10 since my Win box took a dump this morning and won't repair/recover. Have tried 4 times now to create a bootable USB... no joy every time despite the endless articles that explain how easy it is. I don't think a single one of those authors actually tried to use the resulting USB stick to boot their PC.
    – JVC
    Dec 3 '19 at 19:30

From Create a bootable Windows 10 installation USB on macOS

Step 1: download Windows 10 ISO

Step 2: install Homebrew

/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"

Step 3: install wimlib

brew install wimlib

Step 4: format USB flash drive as “MS-DOS (FAT)” with “Master Boot Record” scheme

Step 5: open Win10_21H1_English_x64.iso and copy files to USB flash drive skipping install.wim found at sources/install.wim (which is larger than 4GB FAT32 limit)

rsync -rv --exclude install.wim” /Volumes/CCCOMA_X64FRE_EN-US_DV9/ /Volumes/WINDOWS10/

Step 6: split install.wim

Heads-up: replace CCCOMA_X64FRE_EN-US_DV9 with actual Windows 10 ISO volume name and UNTITLED with USB flash drive volume name.

wimlib-imagex split /Volumes/CCCOMA_X64FRE_EN-US_DV9/sources/install.wim /Volumes/WINDOWS10/sources/install.swm 4000


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