Windows Seven Enterprise edition available for download for 90 days trial.

Microsoft offers Windows 7 Enterprise 90-day trial for the IT professionals so that they can run & test the final version of it. This offer is applicable to only those who are qualified under one of the following given categories.

Partner Program
MSDN Subscriber (Developer)
TechNet Plus Subscriber
Volume License/Software Assurance customer

Before you go have a look of this:

Protect your PC and data. Ensure that backup has been taken.

Activate the product:. Activation neccessary within 10 days else system will shut down once every hour until activated.

Product key of Windows: No need of product key (it is embedded with the download).

The 90-day Trial will shut down once every hour when you have reached the end of the 90-day evaluation period.

Limited offer Download will be available through March 31, 2010, till supplies last.

After the 90-day Trial expires, if you wish to continue to use Windows 7 Enterprise, have to be purchased and then perform a clean installation of Windows 7, including drivers and applications.

Windows 7 Enterprise will be available in both tastes as 32-bit and 64-bit in five languages: English, French, German, Japanese, and Spanish.
Visit Microsoft Technet for download.