To run Windows Vista, your computer needs to meet the following minimum hardware requirements:
800 megahertz (MHz) processor
512 megabytes (MB) RAM
DirectX 9–capable graphics processor
20 gigabytes (GB) hard disk drive capacity with 15 GB available space
Computers that meet these requirements may be labeled by their manufacturers as Windows Vista Capable.
To get an even better Windows Vista experience, including the Windows Aero visual effects, your computer needs to meet these minimum requirements:
1 GHz processor
1 GB of system memory
DirectX 9–capable graphics processor with a Windows Vista Display Driver Model (WDDM) driver, 128 GB of graphics memory (if the GPU uses dedicated memory; otherwise, no additional ...