Потребуется dd for windows

и например 8.0-RELEASE-i386-memstick.img

C:\>dd --list
rawwrite dd for windows version 0.5.
Written by John Newbigin
This program is covered by the GPL.  See copying.txt for details
Win32 Available Volume Information
\\.\Volume{585d8fd2-9ba8-11de-b573-806d6172696f}\
  link to \\?\Device\HarddiskVolume1
  fixed media
  Mounted on \\.\c:

\\.\Volume{5839172e-a1d4-11de-b580-0018f30bfe6d}\
  link to \\?\Device\HarddiskVolume4
  fixed media
  Mounted on \\.\d:

\\.\Volume{efe0fa36-c9e7-11de-b587-005056c00008}\
  link to \\?\Device\Harddisk1\DP(1)0-0+1c
  removeable media
  Mounted on \\.\f:

NT Block Device Objects
\\?\Device\Harddisk0\Partition0
  link to \\?\Device\Harddisk0\DR0
  Fixed hard disk media. Block size = 512
  size is 160041885696 bytes
\\?\Device\Harddisk0\Partition1
  link to \\?\Device\HarddiskVolume1
\\?\Device\Harddisk0\Partition2
  link to \\?\Device\HarddiskVolume2
  Fixed hard disk media. Block size = 512
  size is 1587479040 bytes
\\?\Device\Harddisk0\Partition3
  link to \\?\Device\HarddiskVolume3
  Fixed hard disk media. Block size = 512
  size is 85049395200 bytes
\\?\Device\Harddisk0\Partition4
  link to \\?\Device\HarddiskVolume4
\\?\Device\Harddisk1\Partition0
  link to \\?\Device\Harddisk1\DR27
  Removable media other than floppy. Block size = 512
  size is 2004353024 bytes
\\?\Device\Harddisk1\Partition1
  link to \\?\Device\Harddisk1\DP(1)0-0+1c
  Removable media other than floppy. Block size = 512
  size is 2004320768 bytes

Virtual input devices
 /dev/zero   (null data)
 /dev/random (pseudo-random data)
 -           (standard input)

Virtual output devices
 -           (standard output)

\\?\Device\Harddisk1\Partition0 — наша флешака

копируем образ

C:\>C:\>dd if=8.0-RELEASE-i386-memstick.img of=\\?\Device\Harddisk1\Partition0 bs=10240 --progress
rawwrite dd for windows version 0.5.
Written by John Newbigin
This program is covered by the GPL.  See copying.txt for details
923,207,680
90157+0 records in
90157+0 records out

Готово =)