If you still need the tool for development or testing purposes, you should not download it from random "DLL download" sites, as they often contain malware.
If you are on an older system (Windows 7/8), you may need to search for the specific DirectX End-User Runtime to ensure all core components are present. Step-by-Step: Using the "Emulator" download dxcpldirectx11emulatorexe new
If you meant you want to :