Portable Windows XP Live USB Edition

This is what you need :

USB stick with 256 MB capacity. 512 MB Recommended.
A system that supports booting from Usb stick.

Installation :

Rename USB stick through file HPUSBFW.exe and format with FAT file system.
Copy all the files from a folder on USB stick.

Start :

Reboot the computer.
In BIOS or through Quick-boot menu choose boot from the USB.





Credit to manawthar