If you are a developer specifically looking for the Control Panel to tweak debug settings:
Some games will attempt to log debug messages, causing severe stuttering. To stop this: dxcpl.exe download windows 10
Microsoft no longer offers dxcpl.exe as a standalone download. You must install a legacy SDK and extract the tool. If you are a developer specifically looking for
Step-by-step download:
Download the installer: DXSDK_Jun10.exe (size ~500 MB). Download the installer: DXSDK_Jun10
Install the SDK: