The most updated WinDriver user manuals can be found on Jungo's site at:
http://www.jungo.com/st/support/support_windriver.html.

If you wish to view WinDriver version history, refer to the WinDriver Release Notes: http://www.jungo.com/st/wdver.html. The release notes include a list of the new features, enhancements and fixes that have been added in each WinDriver version.

For additional information, refer to the WinDriver Technical Documents database:
http://www.jungo.com/st/support/tech_docs_indexes/main_index.html.
This database includes detailed descriptions of WinDriver's features, utilities and APIs and their correct usage, troubleshooting of common problems, useful tips and answers to frequently asked questions.