The very fact that these files are labeled "exclusive" on a platform known for piracy should raise immediate red flags. Legitimate tools, such as Microsoft's official DirectX Runtime Installer, are freely available from the official Microsoft website and are never "exclusive" to a third-party file locker.
If dxcpl.exe results in unplayable stuttering, consider safer and more optimized translation layers developed by the open-source community: dxcpldirectx11emulatorexe turbobit exclusive