This is an old revision of the document!
The latest Perseus release is: 188.8.131.52
Downloading and using the software is free of charge.
Simply download from here and unpack the compressed file Perseus.zip.
Supported operation system versions (64 bit is required) are Windows Vista, 7, 8, 10, Server 2008, 2012, 2016.
Double click on Perseus.exe in Perseus.