Virtual PC 2007 SP1

Developer: Microsoft
License: Freeware
Requirements: Windows Server 2003/XP (SP2)/Vista (SP1); 1GHz;

Virtual PC allows you to run multiple virtual machines on a single PC. Each instance of these machine is managed by its own operating system (Windows, Linux…) and have its own configuration: memory amount and hard drive space, available network adapters and other i/o devices.

Key features

• It's free!
• Support any of guest OS (Windows, Linux, OS/2… no matter)
• Network and File sharing
• Additional guest OS support for Windows XP and Vista