You could have downloaded FluorPen 1.1.1.3 from our software library for free. FluorPen lies within System Utilities, more precisely Device Assistants. The FluorPen installer is commonly called FluorPen.exe. The most popular version among FluorPen users is 1.0. The actual developer of the free software is PSI.
From the developer:
The FluorPen utility allows you to configure and control the FluorPen portable fluorometer. You can load previously-saved data files, download data from the FluorPen to your PC, export data in text format, export data in JavaScript Object Notation, erase data from the FluorPen memory, update device firmware, and more.
You may want to check out more software, such as Roxio Media Manager or MyGPS, which might be similar to FluorPen.