How to create a usb installation disk for windows

How to install windows to USB :

Want to install Windows from USB or want to install windows speedily without CD/DVD drive or want to install windows to a notebook having no DVD-Drive. Here comes the solution to your problem.With this process you can install windows from your USB/flash drive with in a few minutes.

Requirements : 

1. Pen drive with a capacity of GB or higher.

2. Windows installation disk or ISO image of the windows you want to install.

3. A small software to make a USB disk boot able. Here i am providing the software's used for creating a         boo-table USB.

a. Windows USB tool

b. Win2flash tool.

Just Download these software's and follow the on screen procedure and you are done.