The software doesn't appear to be compatible with Windows 10. I've checked the DataSheet file and Windows 10 doesn't appear as a compatible operating system.
Here is the image extracted from the DataSheet:

However, that doesn't mean you can't install the application using the available download. Use the following link to save the latest version of the installation package to your PC: ftp://ftp.trimble.com/pub/from_support/MGIS_Downloads/GPS_Pathfinder_Office_v585.zip