If you have found yourself searching for you are likely trying to squeeze performance out of an older machine, troubleshoot a specific game crash, or force software rendering on a legacy application.
: You can force an application to "believe" it is running on a different DirectX feature level (e.g., forcing a DX11 game to attempt running on older hardware). How to Use Dxcpl for Fixes Dxcpl Windows 7 64 Bit 37
Practical tips
: It provides developers with detailed information about DirectX API calls to find bugs. If you have found yourself searching for you