You may be confusing the free, stand-alone Adobe DNG Converter with the Adobe Camera Raw Plug-In (ACR).
The free, stand-alone Adobe DNG Converter should be installed wherever your other applications are, according to your platform, Mac or Win. Then you launch it to run it on your folder(s) containing any raw files you want to convert to raw DNGs.
By the way, we don't do Elements here, so this is the wrong forum for you. You want the Elements forum: