Aug 29 2007
Windows Live is now available on S60. S40 support will be out soon.Here’s from the Nokia page.
Windows Live Messenger
Chat when you are on the move.Windows Live Messenger provides a dynamic way to talk with your friends, whether you’re on your device or PC. While chatting, you can also share pictures or voice clips from your phone. Create new contacts and easily synchronise them between your device and PC. If you’re already a Hotmail or Messenger user, all of your existing buddies will appear the moment you sign in. More →