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DirectX, a set of APIs (application programming interfaces) designed to handle multimedia tasks on Microsoft Corporation’s Windows OS (operating system). Developed in 1995, DirectX represented Microsoft’s effort to make Windows a more game-friendly platform. In the early 1990s, game designers preferred the accessibility of the MS-DOS operating system to the more complicated Windows platform, and, as Microsoft prepared for the release of the Windows 95 OS, the company sought to attract more game developers. In...