WordSmith Tools V4.0 is freely downloadable now.

 

Free Registration

Name: FREE
Other Details: WS4 licence
Registration: XA00.3844.3153.3460.3789

Download from: http://www.lexically.net/wordsmith/downloads/ and make sure you choose Version 4.0.

When "Updating from Demo", please PASTE these details in 
EXACTLY as you see them here.
Please see "readme.txt" for any further details.