公布的改进信息：
Improved Vista Compatibility
New Personal Expressions UI (Winks and Emoticon menus, etc)
New Personal Status Message options
A new branding platform
Improved re-authentication at sign in
Roaming display pictures
New platform architecture in key areas such as automatic updates and object store (where your personalized data is kept on your computer)


感觉了下,跟8.0版本差不多，不过是在细节上有了些提高。


下载地址：

http://www.live-share.com/files/26731/Install_Messenger_064.exe.html