From the document "SoMachine Introduction" from 04/2012 (EIO0000000734.05) attached in this FAQ we can find the system requirement to install SoMachine v3.1 in a PC.
Hardware Requirements:
Software Requirements:
SoMachine v3.1 software supports the following operating systems:
• Microsoft Windows XP Professional Edition 32 Bits Service Pack 3
• Microsoft Windows 7 Professional Edition 32 Bits
• Microsoft Windows 7 Professional Edition 64 Bits