Windows Download Page To download the 10.014 Client for Windows click here. For at installere version 10.014 af den danske klient til Windows klik her. Once the installation is complete click here. If the above step doesn't work, follow this guide for configuration of the FirstClass client When the Login screen appears, simply enter your user ID and password and click Login. For information about the Windows FirstClass client click here.             Visit the FirstClass web site to download international clients.