Autodesk provides a variety of online materials that help you to learn and use Autodesk Revit MEP 2011 software or to develop complementary products. These materials are available in several formats.
Autodesk Revit MEP 2011 HelpAccess Revit MEP 2011 Help online.
Autodesk Revit MEP 2011 Video TutorialsThese brief video tutorials are designed to get you started using Autodesk Revit.
User’s GuideThe Revit MEP User’s Guide describes concepts, and provides step-by-step procedures as well as quick reference information.
Revit Families GuideA guide that contains conceptual explanations, tutorials, and reference information to help you understand how to work with Revit families.