Windows Vista Business Sp2 (32 Bit) Here

A DirectX 9-capable processor with a WDDM driver and at least 128 MB of memory to support the Aero Glass interface.

Added support for VIA Technologies’ 64-bit CPUs and improved compatibility with newer hardware. Windows Vista Business SP2 (32 Bit)

Integrated Windows Search 4.0 for faster indexing and reduced the power consumption for systems when running in a idle state. A DirectX 9-capable processor with a WDDM driver