概述
Microsoft DirectX is a group of technologies designed to make Windows-based computers an ideal platform for running and displaying applications rich in multimedia elements such as full-color graphics, video, 3D animation, and rich audio. DirectX includes security and performance updates, along with many new features across all technologies, which can be accessed by applications using the DirectX APIs.
系统要求
支持的操作系统： Windows 2000; Windows 2000 Advanced Server; Windows 2000 Professional Edition ; Windows 2000 Server; Windows 2000 Service Pack 2; Windows 2000 Service Pack 3; Windows 2000 Service Pack 4; Windows 98; Windows 98 Second Edition; Windows Server 2003; Windows Server 2003 Service Pack 1; Windows Server 2003, Datacenter x64 Edition; Windows Server 2003, Enterprise x64 Edition; Windows Server 2003, Standard x64 Edition; Windows Small Business Server 2003 ; Windows XP; Windows XP 64-bit; Windows XP Home Edition ; Windows XP Media Center Edition; Windows XP Professional Edition ; Windows XP Service Pack 1; Windows XP Service Pack 2; Windows XP Starter Edition; Windows XP Tablet PC Edition
说明
该下载可供运行正版 Microsoft Windows 的客户下载。请单击上面“必要的验证”部分中的“继续”按钮，开始简短的验证过程。一旦通过验证，您将返回到该页面，其中包含如何获取下载的详细说明。

下载页面http://www.microsoft.com/downloads/details.aspx?FamilyID=2da43d38-db71-4c1b-bc6a-9b6652cd92a3&DisplayLang=zh-cn

直接下载http://download.microsoft.com/download/1/7/1/1718ccc4-6315-4d8e-9543-8e28a4e18c4c/dxwebsetup.exe

不需要，直接在线安装

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