Hi, you can download the following chat client below: yahoo Messenger: http://www.yahoo.com/ Look for the linkMessenger and find the link for your Operating System. Skype program: http://www.skype.com/ Skype program is also a chat client. But, the main function of Skype is to make pc world call for PC to PC. MSN: http://www.msn.com/ or http://www.microsoft.com/ If you are using Windows XP, it is already installed. Other clients which you can search in http://google.com/ You can type ICQ, MIRC, and Hotmail. HTH Roden E mail: d_zalameda@xxxxxxxxxxxxxxxxx Yahoo Messenger ID: r112478 Skype name: rodenzal