[Zope] how to use FSSession

Hi, I try to download the FSSession. So I download the FSSession-0-4-2.tgz (the server works with Windows win32). I use Power Archiver to untar this file on the ‘zope’ directory. A new file called ‘fssession’ has been created but this is an unknown file..and Nothing in the folder ‘Products’ has been created. What I have to do with this file ?? how can I execute it ?? Thanks for your help Regards