Please read the documents. You have to add notification menu to your menu.
Simply open anspress-question-answer\theme\default\fonts\demo.html
Breadcrumbs is a part of core. You can add this widget to AP before position.
@Rahul, after 2.5 or 2.4.5 ?
AnsPress does not integrate with UserPro profile.. you can select between profiles. You either can choose AnsPress profile or UserPro. Both cannot be used at same time.