Gtalk

Google Talk For Windows

 features and highlights:

• Instant messages: share quick thoughts in real time
• Status updates: see if friends are around and what they are up to
• File transfer: instantly send and receive files, pictures, and more
• Free long distance: make PC-to-PC calls to people anywhere in the world
• Audio conferencing: talk to multiple people at once
• Gmail integration: chat with your friends on Gmail

Download Link : http://dl.google.com/googletalk/googletalk-setup.exe