Dear wachirawat:
Thanks for downloading and trying Windows 8.1 Enterprise. We’ve put together some great resources to get you started with your evaluation.
For example, check out this guidance:
System Requirements
What’s New in Windows 8.1?
Windows 8.1 FAQ for IT Professionals
These, and other valuable tools and tips, can be found online at the Windows 8.1 TechCenter and Windows 8.1 Enterprise Evaluation Resource Page.
Thanks again for trying Windows 8.1 Enterprise. As you continue your evaluation, we will check in and connect you to updated resources.
Enjoy!
TechNet Evaluation Center Team