I notice you're looking for a "MotioninJoy" download, but I want to give you a clear warning:
Would you like a direct link to the safe DS4Windows download page instead? motion joy download
, search for "Ryochan7 DS4Windows" (it also supports DualShock 3) or look into SCP Toolkit (more technical, but safer than MotioninJoy). I notice you're looking for a "MotioninJoy" download,