Windows 8 Enterprise is now available as a 90-day trial from MSDN Evaluation Center. In order to use this evaluation, you must register and the product must be activated online with Microsoft-hosted activation and validation services.
Note:The evaluation edition will expire after 90 days and cannot be upgraded.
Processor: 1 gigahertz (GHz) or faster
RAM: 1 gigabyte (GB) (32-bit) or 2 GB (64-bit)
Hard disk space: 20 GB
Graphics card: Microsoft DirectX 9 graphics device with WDDM driver
Download Windows 8 Enterprise 90-day trial