http://wintoflash.com/download/en/

Step 2.

Run the program 

Step 3. 

Istallation

1. Plug the flash into the USB port

2. Sign windows, install WintoFlash and copy the windows setup files to the flashdisk. When finished, restart.

3. When restarting, go into BIOS. Make sure that the BIOS can boot from USB. Look in the boot sequence, there are USB-HDD, USB-CDROM, etc., should've could.

4. if you can boot USB, make sure the first boot device is Removable Disk or HDD (depending on BIOS). If the HDD, then selected in accordance with its USB drive (see picture)

Spoiler for USB HDD:

5. Save settings in the BIOS, exit from the BIOS, the computer will restart.

6. The computer will automatically boot from the flash. If it does not mean there is something wrong in step no.3

7. When the boot menu will appear as in the picture. To enter the setup screen, For Windows XP, select the "Text Mode". If the "GUI mode" after the text mode is complete and has restarted. For Vista / 7 will directly go to the installation GUI (there is not text mode).

8. Usually installation restart windows 2x, Text mode, restart, GUI mode, restart. At the second restart, the BIOS settings so that the first USB bootnya not anymore, OR just pull the flash so as not to boot into the flash again ... you've windowsnya files copied to disk

9. Done