The datasets on this CD include all of the Revit Building files referenced within the text in both Imperial and Metric units. Please You can install the version of the dataset that meets your preference in units. Please note that the Autodesk Revit Building software is not included on the CD. Please contact your local Autodesk Reseller for information on how to puchase the software. see the "Files Included on the CD ROM" section of the Preface for detailed instructions on installing the datasets provided.