Download for Infraworks R2 (you will need to login to Subscription): http://subscription.autodesk.com/sp/servlet/download/item?siteID=11564774&id=22092239
Webinar on Establishing Existing Conditions:
Data and Layers:
Infrastructure Design Suite registration:
For full benefits, be sure to register using your IDS Key and not the standalone product key.
— Matt Miyamoto (@MattM_PE) August 10, 2013