Microsoft DirectX is an advanced suite of multimedia application programming interfaces (APIs) built into Microsoft Windows; operating systems. DirectX provides a standard development platform for Windows-based PCs by enabling software developers to access specialized hardware features without having to write hardware-specific code. This technology was first introduced in 1995 and is a recognized standard for multimedia application development on the Windows platform.

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, 3-D animation, and surround sound. Primary areas of concentration for this release have been with the Library for Direct3D extensions (D3DX), Graphics Samples, Tools and documentation.
The Microsoft DirectX software development kit (SDK) is your backstage pass to multimedia applications that sizzle. DirectX is a set of low-level application programming interfaces (APIs) for creating games and other high-performance multimedia applications. It includes support for high-performance 2-D and 3-D graphics, sound, and input.

Microsoft DirectX Software Development Kit (SDK) includes the final release of the Microsoft Cross-Platform Audio Creation Tool, updates to samples, tools, documentation, and D3DX9. In addition, this SDK includes several pre-release components: Direct3D 10 (including corresponding tools, samples, and documentation, and DXUT).

This release of the Microsoft DirectX SDK includes the Direct3D 10 April 2006 Technology Preview - an early pre-release showcasing the newest set of graphics API's for games and other high-performance multimedia applications on next-generation graphics hardware. This technology preview also provides reference material, conceptual content, developer libraries, tutorials and samples that demonstrate how to use Direct3D 10. Additional documentation, tools, API's, samples, and other content will be provided in upcoming DirectX SDK releases.

The D3D10 libraries in the April 2006 DirectX SDK (Reference Rasterizer, Debug Layer, D3DX10) are unchanged from the Direct3D 10 February 2006 Tech Preview Update in the February 2006 DirectX SDK. Two new samples have been added in this release, as well as improved support for Direct3D 9 targets in the new HLSL compiler through FXC10.exe (see the Direct3D 10 documentation for details). Developers can expect a series of changes to arrive in subsequent SDK's.

Samples and applications built with the Direct3D 10 Technology Preview in the April 2006 DirectX SDK require the Windows Vista February 2006 CTP to run. The Windows Vista February 2006 CTP is available to MSDN subscribers.

Instantiating a Direct3D 10 hardware device requires Direct3D 10-capable graphics hardware with a Windows Vista Display Driver Model (WDDM) driver. As of the release of this Technology Preview, such hardware is not publicly available. A software fallback (the Direct3D 10 Reference ) is provided. Pre-rendered versions of Direct3D 10 samples have also been provided.

The preview also includes early versions of D3DX10 and DXUT with Direct3D 10 support. Pre-release executable tools supporting Direct3D 10 runtimes and formats include: DXViewer, TexConv10, FXC10, and PIX. Additional tools, API's, and other functionality will be provided in future releases. The API syntax is expected to change in upcoming releases.

Supported Operating Systems:
- 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

Homepage - http://www.microsoft.com/windows/directx/default.mspx

Size: 506 MB

DOWNLOAD DIRECTX SDK
* * * * * * * * * * * * * *

DirectX 9.0c Redistributable - DirectX for Managed Code Update from the DirectX SDK Update (August 2006)

Size: 52.7 MB

DOWNLOAD

Use Right-click on Download and "Save Target As..."

Direct Download To all No need to Validate Your Window Hope it's good for you all and It's direct from Microsoft Site

Happy Downloading

After downloading the Directx 9.0c Redistributable and installed, my PC still show Directx 8.1 version instead of 9.0c by checking via Start -> Run -> dxdiag.

Anyone knows why?

This post has been edited by countdown: Sep 10 2006, 11:27 PM

im havin the same prob as well.. im upgradin from directx 9.0b to 9.0c.. but during installation.. it dun show the complete process.. but juz a quick view of the installation and the its done, but the version din chg at all under the dxdiag... wats the prob occurs? and does it involve the use of win xp sp2? i tried many times but still the same thing happen.. need solutions..