Free download Rufus for Make bootable XP & others windows

Download and install RUFUS_V1.2.0 

insert usb drive on the system
right click RUFUS_V1.2.0  and click open

choose click to select an iso option

Create windows xp usb bootable
browse and locate the windowsxp iso image on the system

click open

then it starts scanning the windows xp .iso image

click on start option

click ok

then it will extract the windows xp iso image and starts copying windows files to the usb drive

copying files will takes sometime depending on the size of the iso image
after the file copying completes

click close

restart your pc
set usb drive as the first bootable device in bios and saving those settings in bios ,restart pc
now you can install windowsxp from pendrive
you can try this software for booting windows7,windows8,ubuntu from usb drives