Making Bootable Pen Drive of Windows 7
Windows 7 takes much mass as compared to Windows Xp (around 3.5 GB). So a pen drive is very helpful if you don't have the DVD or don't want to waste time on burning it and making it bootable. And it too require a software to burn a bootable DVD.
Making Pen Drive bootable is very easy and don't require any skills and softwares (other than a PC :D).
Below is the link to make a Pen Drive bootable to install Windows 7 on a laptop or computer, in which windows has been either corrupted or is not accessible....
Making Windows 7 bootable Pen Drive