推荐回答（2个）
Microsoft微软DirectX 9.0c最新官方正式多语言版For Win9x/ME/2000/XP/2003(2005年10月4日发布)，这一版本同时面向开发者和最终用户使用。
Microsoft DirectX能做什么:
·Microsoft DirectX 9.0c 是DirectX技术的最新版本，为使用DirectX的游戏和其他多媒体软件程序提供更高性能。
·本版本的 DirectX 可以替代所有以前发布的DirectX版本。
与先前发布的DirectX 9.0b相比较而言，新版DirectX 9.0c加入了对ATi 3dc纹理压缩技术的支持，加入了nVIDIA的GeForce 6系列显卡所支持的Shader Model 3.0，还修正了其它一些细小的错误。由于这是微软发布的正式版本，所有我们推荐用户升级此最新版本，以获得最大性能提升与最好的兼容性。
Microsoft DirectX 对操作系统的版本要求：
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 ME, Windows Server 2003, Windows XP, Windows XP Home Edition , Windows XP Media Center Edition, Windows XP Professional Edition , Windows XP Service Pack 1 , Windows XP Service Pack 2
Microsoft DirectX 对操作系统的语系支持：
简体中文，繁体中文，捷克语，荷兰语，法语，德语，意大利，日语，韩语，波兰语，葡萄牙语系，俄语，西班牙语，瑞典语及英语。
新浪提示安装方法：
解压至任意一个目录（如：C:\temp\DX9），运行该目录中的DXSETUP.exe开始安装。
注意：安装后，将不能删除（卸载）DirectX 9.0c 运行时系统。安装过程将更改核心组件和操作系统中大量的注册信息。Microsoft 不支持卸载。
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