Installing Windows from a USB flash drive has several advantages : First
of all, the overall speed of the installation process will increase
significantly, carrying a USB stick is much more convenient than a DVD,
and finally it becomes possible to install the OS even on those systems
that do not have a DVD drive, such as a netbook.
In this post, I will show you how to load Windows 7 installation in your USB flash drive and how to make it bootable just like the DVD from your .iso image.