research.microsoft.com...nload.aspx
System requirements
Hardware
Kinect for Xbox 360 sensor
Computer with a dual-core, 2.66-GHz or faster processor
Windows 7–compatible graphics card that supports DirectX® 9.0c capabilities
2-GB RAM (4-GB RAM recommended)
Software
Windows 7 (x86 or x64)
Visual Studio 2010 Express (or other 2010 edition)
Microsoft .NET Framework 4.0
For additional requirements for samples, see the Readme file