If you want to deploy the DWF Viewer you can use these command line switches:
or without the progress dialog box
There is no msi installation file delivered by Autodesk for the DWF Viewer. If you really need one, you have to create it your self with some of the tools that can do it.
The latest version can be downloaded here: www.autodesk.com/dwfviewer-download. The latest build right now is 220.127.116.117.