- The update of DirectX is done automatically with Windows updates on recent systems like Vista or 7 on Windows XP (though it should also keep his system up to date) may need to manually launch the implementation Update for the latest version, you will find below a link to the automatic installer from Microsoft : 
 Automatic installer : 
 Click on Download and then Run, accept all the following windows and the installation will be automatic. 
 - To install DirectX manually, eg if you have any problems with the installer or if you want to reinstall an earlier version, follow this tutorial : 
 Download the installation file to a location of your choice ( in a dedicated folder if possible) : 
 Examples of links where to find Direct X : 
 All versions: http://www.clubic.com/telecharger-fiche10906-directx.html 
 DX9.0c June 2010: http://www.bhmag.fr/telecharger-43-directx-9-0c-complet.html 
 Then run this file and when asked to choose a location (Browse or browse) Choose the same folder. Then, the installer will unpack the files in that folder, once completed, go to the folder and double-click DXSETUP (or DXSETUP.exe). The DirectX installation will start.