Many computer games, as well as some 3D modelling programs, rely on the Direct3D component of Direct X to render graphics.
If your computer has a problem with a Direct X file or a graphics driver, it can cause these programs to crash or not open.
Up until version 9.0c, the latest version of Direct X was generally available as a separate download from Microsoft.
However, from version 10 onwards, the latest update for Direct X is available only for specific operating systems and under very controlled circumstances.
PC Mechanic - Fix your PC's Windows registry errors.
Direct X 10 was only available for Vista and not XP.
There are some hacks available out there to enable version 10's features on XP and they often work for particular setups - however, this does not mean they will work in all circumstances.
On Windows 8, Windows Update is the only method to update Direct X 11.It features in both Windows Vista and Windows 7 but not XP.In other words, the way Windows Vista and Windows 7 create images on your screen is different to the way Windows XP does it.Even if the Direct X diagnostic reports no issues, try updating Direct X and your video drivers anyway, as it might solve the problem.Information in this article applies to Windows 7 and Windows 8.If you already have the newest version from Windows Update, check the hardware manufacturer's website, as it may offer an even newer driver.Tips & Warnings On computers that use Optimus to switch between Nvidia and integrated Intel graphics hardware, you might need to update both the Nvidia and Intel graphics drivers. It allows developers to standardise certain video display and audio files - this makes them easier to develop and run on different types of PCs (it is also used on consoles such as the Xbox). So, if a game was written for Direct X 9, it should run if you have Direct X 10 or Direct X 11 installed on your PC.Each version of Direct X offers newer features and better rendering - in other words, prettier pictures that are more detailed and realistic (assuming your PC has the hardware to handle the heavier load).This offline installer includes every update to Direct X 9 and will reinstall over your existing copy, potentially fixing its problems.13 Update your video drivers either through Windows Update or by downloading drivers from the Nvidia, ATI or Intel website, depending on your graphics hardware.