Sign into InfraWorks 360 to download a sample model. There are two sample models available: "Dubai Marina Palm (February 2016)" and "Moscow (February 2016)".
Use a sample model to experiment with Autodesk InfraWorks 360. After downloading a sample model, you can view, edit and save your changes to your local copy, but you cannot sync changes back to the shared sample model on Autodesk InfraWorks 360.
See About Collaboration Tasks and To view model information.
There is also a Tutorial model available to users, along with video tutorial exercises. See About the Autodesk InfraWorks 360 Tutorials for more information.