Windows vista ultimate retailbox Features: When you want to have it all, choose Windows Vista Ultimate. It is the most complete edition of Windows Vista，with the power, security, and mobility features that you need for work, and all of the entertainment features that you want for fun. Enjoy the elegant, visually compelling Windows Aero desktop experience, complete with Flip 3D navigation. Take advantage of all Windows Vista safety features to help protect your computer, your information, and your family from accidents and malicious software. Windows Vista Service Pack 1 (SP1) is the complete set of Windows Vista updates Microsoft has issued over the past year plus additional enhancements to improve your PC experience. SP1 doesn't add new features or require you to learn anything new，it simply makes your PC more reliable, run more smoothly, and even more enjoyable to use. SP1 addresses specific reliability and performance issues, supports new types of hardware, and adds support for several emerging standards. System Requirements: Includes 32-bit and 64-bit DVDs and information on obtaining 32-bit CDs, additional fees may apply. Processor: 800 MHz processor System Memory: 512 MB Graphics Processor: SVGA (800x600) HDD: 20 GB with at least 15GB of available space Optical Drive: DVD-ROM drive