Frame rates will likely drop to 1 to 5 frames per second (FPS), making most games entirely unplayable.

Click "Edit List" and add the .exe file of the game or application you want to emulate.

Once installed, press Win + R , type dxcpl into the Run dialog box, and hit Enter. Method 2: Download the Official Windows SDK

Windows users look for this tool because it contains a feature called or Software Rasterization . This feature forces your computer's Central Processing Unit (CPU) to handle graphics processing tasks that your Graphics Processing Unit (GPU) cannot natively support. Why Do Gamers Use dxcpl.exe?