Looking for a copy of Windows 7?

The following may help you.

Quote Originally Posted by Microsoft

This site enables you to recover and install Microsoft software purchased through a retailer.

This site will help you accomplish the following:
Create a Windows 7 DVD for installation on a new hard drive
Create a backup Windows 7 DVD
Create a bootable USB drive with a copy of Windows 7
http://www.microsoft.com/en-us/software-recovery