The Google Talk download able application for Windows offers many features for communicating with your friends and family.
Instant messaging %u2014 Chat with all of your Google Talk and Gmail contacts in real time.
Free PC-to-PC voice chat %u2014 You can talk to anyone else for free who's online and has the Google Talk client.
Send and receive voice mails%u2014 If the person you're calling isn't available, you can leave a voicemail. Learn more
Unlimited file transfers %u2014 Send files to your contacts. There are no file size or bandwidth restrictions.
Gmail notifications on your desktop %u2014 When you're signed into Google Talk, you'll be notified of new messages in your Gmail inbox.
Gmail, Google's free email service, offers built-in chat using the Google Talk network.