Facebook Messenger for Windows has just leaked, giving users an unintended preview of the upcoming dedicated chat client from Facebook.
A download link to a private version of Facebook Messenger has been posted by TechIT, as reported on The Verge.
Here's a some screenshots of the app.
Download and install the app at your own risk, since this is a beta, an unofficial one at that, chances are you will run into issues. You will need to be on Windows 7 in order to install the preview.
Download Facebook Messenger for Windows.