How-to: Enable Facebook Chat in Messenger 2011 (Wave 4)

One of the most interesting additions to Messenger in its recent Wave 4 Beta refresh is the ability to chat with your friends on Facebook right from within Messenger itself. Chris Jones, Vice President Windows Live Engineering, called this new connection a significant task. Yet, how can you combine your Messenger and Facebook contact lists? Follow this how-to:
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• Browse to http://profile.live.com/Services/Add.aspx?appid=1140906031.

• Activate the check box Chat with my Facebook friends in Messenger.

• Scroll down and click Connect with Facebook.

• Grant Windows Live permission to access Facebook Chat on your behalf.

• Sign out and back in to Messenger. Your Facebook friends should now appear in the “Facebook” category.