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Minimum Hardware Requirements for Installation

The following list describes the recommended minimum hardware requirements for basic functionality of the different editions of Windows Vista. Actual hardware requirements will vary, depending on system configuration and on the programs and the features that you install. If you install Windows Vista over a network, additional hard disk space may be required.

Microsoft Vista Home Basic
•800-megahertz (MHz) 32-bit (x86) processor or 800-MHz 64-bit (x64) processor
•512 megabytes (MB) of system memory
•DirectX 9-class graphics card
•32 MB of graphics memory
•20-gigabyte (GB) hard disk that has 15 GB of free hard disk space
•Internal or external DVD drive
•Internet access capability
•Audio output capability

Microsoft Vista Home Premium, Microsoft Vista Business, Microsoft Vista Enterprise, and Microsoft Vista Ultimate
•1-gigahertz (GHz) 32-bit (x86) processor or 1-GHz 64-bit (x64) processor
•1 GB of system memory
•Windows Aero-capable graphics card
•128 MB of graphics memory
•40-GB hard disk that has 15 GB of free hard disk space (the 15GB of free space provides room for temporary file storage during the install or upgrade.)
•Internal or external DVD drive
•Internet access capability
•Audio output capability
Note- A Windows Aero-capable graphics card is a graphics card that meets the following requirements:
•Supports a Windows Display Driver Model (WDDM) driver
•Has a DirectX 9-class graphics processor unit (GPU) that supports Pixel Shader 2.0
•Supports 32 bits per pixel
•Passes the Windows Aero acceptance test in the Windows Driver Kit (WDK)
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