The FirstClass client is the graphical front-end software required to connect to FirstClass servers. It is designed for use with FirstClass Business or Education Edition version 9.1 and has all the trusted communication and collaboration functions of previous FirstClass client products. FirstClass Client Read Me - Windows Installer 10.014 - OS X Installer 10.014 - Linux Installer (deb) 10.014 - Linux Installer (tar) 10.014