Microsoft has announced DirectX 11.2, which will be exclusive to Windows 8.1 and Xbox One. According to the video below, courtesy of Evil Avatar, one of the new features touted is called "tiled ...
you can't. DirectX is part of the operating system, so you'd have to reinstall. I remember seeing a utility somewhere that purported to uninstall DirectX 9, so you might google for it. Use at your own ...
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