Sp2 (32 Bit) - Windows Vista Business

Added support for VIA Technologies’ 64-bit CPUs and improved compatibility with newer hardware.

At least 1 GB of RAM (though 2 GB was recommended for better multitasking). Windows Vista Business SP2 (32 Bit)

Released in 2009, Service Pack 2 was a cumulative update that included all previous security patches and several notable features: Added support for VIA Technologies’ 64-bit CPUs and

A 40 GB hard drive with at least 15 GB of free space. The Legacy of Vista Business 32-bit Enable Remote Desktop Connection on Vista Home Premium Windows Vista Business SP2 (32 Bit)

Enhanced Wi-Fi performance and added native support for recording data to Blu-ray media.

To run Vista Business SP2 effectively on a 32-bit (x86) architecture, your system ideally met these "Premium Ready" standards: 1 GHz 32-bit (x86) or 64-bit (x64) processor.