Previously Abdullah gave the download link for standalone download of Windows Live Messenger 8.5. Now the new Windows Live Messenger 2009 is out. Please download the standalone version of Windows Live Messenger 2009 from the following location. Please refer to the following article if you are having problems uninstalling the beta versions of Windows live messenger.
Favorites and groups
Put the people you chat with most at the top of your contacts, so you easily see when they’re online. Want to chat with several people in one window? Just set up a group.
Show off your personal style with custom scenes, animated display pictures, and signature sounds.
Look at photos together, right in the conversation window. And Messenger tells you when people you know post new photos on Windows Live.