PSpice

PSpice Tutorials (UTA.edu) A great source of PSpice tutorials ranging from beginner to advanced levels.
PSpice - Beginner (UIUC.edu) Simple step by step instructions on how to operate pspice for beginners.
PSpice Examples (Wiley.com) An executable that contains several example schematics.
Quick Guide to PSpice (olemiss.edu) A simple guide to basic PSpice.
PSpice Tutorial (cukh.edu.hk) Good tutorials on PSpice with simple instructions. Created by The Chinese University of Hong Kong.