The Autodesk Project Freewheel® website allows you to view and collaborate with design data without installing additional software. The ability to save a DWF file to the Autodesk Project Freewheel website for online reviewing has some prerequisites:
With an active Internet connection, the first time you click the application button , a browser window opens, offering you an opportunity to download and install the Freewheel plug-in. The next time, when you save to Freewheel, you will be prompted register or to sign in, if you already have a user ID and password.
A browser window opens and you may be prompted to log in.
The DWF file is shown in a browser window.