Windows Live Messenger goes beyond the traditional instant messaging (IM) service, enabling people to connect and share, with free PC-to-PC calls and inexpensive calls from a PC to phones around the world, video calling, easy sharing with Sharing Folders, and more. Windows Live Messenger features the following improvements:
- Video Call
- Windows Live Call with Verizon Web Calling service
- Integration with Windows Live Messenger phones
- Integration with Microsoft LifeCams
- Shared Folders
- Offline Instant Messaging
- Windows Live Contacts
- Integration with other Windows Live Services

Latest Changes:

• Redesigned, smarter contact cards give you more data about and easier access to your friends
• Your display name, status and personalization roam with you to any computer
• Try PC-to-phone calling with two free calls to virtually any phone in the world
• Better server performance
• Automatic updates
• Improved sign-in performance