It is possible that the download link provided above does not refer to the intended version.
If you are looking for SWATHplus, you may try searching for a download link using
Google.
Review
SWATHplus is developed by Systems Engineering & Assessment Ltd. and is used by 2 users of Software Informer. The most popular versions of this product among our users are: 3.5 and 3.6. The name of the program executable file is swath.exe. The product will soon be reviewed by our informers.
