Download Windows 7 Trial Free
Download Windows 7 Enterprise 90 days Trial
Windows 7 Enterprise is designed specifically for IT Professionals, so that you can test your software and hardware on a final version of the product. In addition, it provides the opportunity for you to become more familiar with the key improvements over previous versions of the Windows operating system, and experience firsthand how Windows 7 can make your PC environment more productive, secure, and manageable.
You will have to fill up a form to get your hands on this release.
Windows 7 VHD Version – 90 Days Evaluation
Do not install it unless you know what is VHD.