State your interest in the position and the organization with enthusiasm. Let the interviewers know that you appreciate this opportunity, and thank them for their time. Confirm a time that they will let you know of their decision. If it is not definite, arrange to call them. Shake hands, if appropriate, and say goodbye.
Interviews are a two-way street.
On the one hand, it gives the employer an opportunity to get to know you. On the other hand, it gives you the opportunity to get to know the employer. The questions you ask are as critical as those that the employer will ask. During an interview, taking notes can be helpful. Jot down those items that you feel are pertinent.