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Messenger 有助您与 Facebook 亲友交流联系，建立自己的社群，加深自己的兴趣。

Learn how to use Messenger, fix a problem, and get answers to your questions.

Download or update to the latest version of the Messenger mobile app to get the newest features and help fix problems.

Recover an Account | Messenger Help Center

How to log into your Facebook account using your email, phone number or username.

Connect with friends and family on Messenger, build communities, and share interests. Stay in touch easily and enjoyably anytime, anywhere.

Find out about your contacts on Messenger.

Find out how to troubleshoot a problem with the Messenger app, including how to update the app.