Welcome to the Getting Started Guide for Revit LT. This series of tutorials steps through the process of creating a simple building model. The following image illustrates the resulting project you create during the tutorials.
Even if you are familiar with 3D modeling or other Autodesk software, watch the Essential Skills videos. These videos describe how Revit LT works and where the indicated tools and interface elements are located.
A zip file containing all of the exercise files is available for download from this page. Alternatively, scroll to the bottom of the instruction page for each tutorial to download the files specific for that exercise.