In the editor, use the help menu and choose 'about plug-ins', select camera raw and look at the version which is in small typeface on the bottom right of the image.
It should begin by '7.3."
Thanks Michel. It's Ver 7.1 but, Updates show all applications Up to date! Because I had not checked the box in preferences "Only" show updates for the following. In PSE 8 it's "Choose applications to update" My fault I'm used to positive logic. Thanks again.