Create Bootable Windows 10 USB Drive on macOS Sierra

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This article gives the steps to create a bootable Windows 10 USB thumb drive on macOS Sierra without Bootcamp from ISO image.


Format the Thumb Drive

  1. Connect the USB drive to your Mac.
  2. Open Disk Utility
    1. Select Spotlight
    2. Type disk utility
    3. Double-Click app icon
  3. Format USB drive
    1. Select USB drive in Disk Utility (Not the partition)
    2. Select Erase
    3. Enter name WIN10
    4. Select MS-DOS (FAT32)
    5. Select Master Boot Record
      Disk utility FAT32 example
    6. Select Erase

Determine USB Drive ID

  1. Open Disk Utility
  2. Select the newly formatted partition named WIN10
  3. Either Select Info or look at bottom Device
    Disk Utility Device Info

Extract ISO Image to USB

  1. Open UNetbootin
  2. Select Diskimage
  3. Select ... and browse to ISO file on local system
  4. Select Open
  5. Select Matching Drive ID
  6. Select OK
    UNetbootin ISO Example

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