hi. I have a quation..at the category list in ver 2.5.7 in front of any categories show (0 Active / 0 Trashed) in the ver 2.5.4 it wasnt it.just the number of item that is in that categories.If I want to that style what should i do?

Hi. First of all update to the latest available version of K2. After that you can change the output of the lists by making a template override as you would do in any component in the front-end.