Download the latest version of Windows Live Messenger 2009 in various languages from here:
http://www.itwenda.com/post/716.html
The download is available as either an online installer or an offline installer. In addition to the Messenger software, the offline installation package also includes new versions of Windows Live Movie Maker, Mail with Calendar Synchronization, Writer, Photo Gallery, Family Safety, and Outlook Connector, among other features. The total size exceeds 120MB, which is more than six times the size of the WLM 8.5 offline installation package.