Microsoft DirectX is a group of technologies designed to make Windows-based PCs an ideal platform for running and displaying applications rich in multimedia elements such as full- color graphics, 3D animation, video and rich audio. DirectX 9.0 includes security and performance updates, along with many new capabilities across all technologies, which can be accessed by applications using the DirectX 9.0 APIs. DirectX 9.0 End-User Runtime setup minimizes the download size but requires an Internet connection during setup. The DirectX 9.0 Redist is available for download for those users that do not have an Internet connection available during installation or Setup has trouble connecting to the Microsoft server. This download provides the DirectX 9.0c end-user multi-languaged redistributable that developers can include with their product. The redistributable license agreement covers the terms under which developers may use the Redistributable. For full details please review the DirectX SDK EULA.txt and DirectX Redist.txt files located in the license directory. The DirectX runtime cannot be uninstalled. We recommend Windows Me and Windows XP users construct a System Restore point before installing. This update is recommended for those user that do not have Internet connection during installation New in this release: - This update includes the DirectX for Managed Code Update from the DirectX 9.0 SDK Update (December 2004)