Sign into Autodesk InfraWorks 360 to download a sample model.
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 onAutodesk InfraWorks 360.
to display a horizontal menu. 
to open Manage Online Models and Scenarios. See About Collaboration Tasks and To View_Model_Information.