XNA Game Studio is a programming environment that allows you to use Visual Studio to create games for Windows Phone, the Xbox 360 console, and Windows-based computers. XNA Game Studio includes the XNA Framework, which is a set of managed libraries designed for game development based on Microsoft .NET Framework 2.0. This documentation collection contains technology overviews, tutorials, and reference material related to XNA Game Studio.

Instructions
1. Uninstall any previous versions of Microsoft XNA Game Studio 3.0 (CTP or Beta) .
2. Install Microsoft Visual C# 2008 Express Edition or Microsoft Visual Studio 2008 Standard Edition or higher.
3. Obtain the latest updates for Visual Studio from Microsoft Update.
4. Download and run the Microsoft XNA Game Studio 3.0 installer.
5. Follow the instructions displayed during setup.
6. Launch Visual Studio 2008 from the Microsoft XNA Game Studio 3.0 folder on the Start Menu.

XNA Game Studio and the XNA Framework are designed for cross-platform gaming scenarios with support for Windows Phone 7, Xbox 360, and Windows-based PCs. This allows you to target more platforms from the same code base. It also allows developers to focus game design for each platform on real device differences such as the device capabilities and experience, as opposed to writing with different frameworks for each targeted device.

The license of this software is Freeware, you can free download and free use this game utility software.