Having the most up-to-date version of DirectX on your Windows computer is crucial for best multimedia and gaming experience on PC, If you have decided not to risk-upgrade your Windows XP to unofficial DirectX 10, you can now update to the latest November Microsoft DirectX End-User Runtime v 9.25.1476 build, according to the official Microsoft download page the updated DirectX release includes security and performance updates, along with several new features accessible by applications using the DirectX APIs.
The full web-installer is 86.25 MB in size and require Windows Genuine Check (WGA) to download, However, if you are having problems downloading from the Microsoft site you can use the full direct-download link at the end of this post.