How to install bootable Windows on USB stick

gistfile1.txt

1. Format USB stick to FAT32: mkfs.fat -F 32 /dev/sdb1 
2. Use http://unetbootin.sourceforge.net/ to write Windows ISO to the USB drive
3. Copy chain32 to the flash drive's root directory: cp /usr/share/syslinux/chain.c32 /media/my_flash_drive
4. Paste the following into syslinux.cfg (located at drive's root):
default windows
prompt 0
menu title UNetbootin
timeout 0

LABEL windows
MENU LABEL Windows
COM32 chain.c32
APPEND hd0 1 ntldr=/bootmgr

That's all :)