Direct X (DirectX) set of programming interfaces software (APIs) that the things related to the environment, sharing multimedia on platforms, Microsoft is responsible. From specific applications, IT, programming, computer games, etc. video is three-dimensional. Operating system DOS allowed direct access to the cards. MOV, keyboard, mouse, audio devices and other parts of the system and provides help, while the Windows 95 memory model, protected, released, and programmers, allowing direct access to hardware did not like. Microsoft has a quick solution for programmers would need. (supervisor development), St. John's and (program director) together to solve this problem with a solution that finally DirectX was called the ... cooperation. The first version of DirectX in September, 1995 was published.