Mac OS Download Page Om de nieuwste Nederlandstalige Mac OS X client te downloaden klik op  FC11005NL.dmg To download the 8.1 Client for Mac OS 9 click here. Once the installation is complete click here. When the Login screen appears, simply enter your user ID and password and click Login.            For more information about the 8.3 Client for Mac OS X click here. For more information about the 8.1 Client for Mac OS 9 click here. Visit the FirstClass web site to download international clients.