in 11 F00 , the Partslink classification search is not really integrated. Still the "old fashion" tree browser in addition to normal Advanced search (and need If i remember to be activated by pref or at least create a Classification tree before ....)
You need to be in 11 m020 to have the new features:
- Classif Search embeded in Advanced Search
-faceted results etc ...
Need few steps in Windchill installation cause based on Index Search engine