Facebook Messenger is a standalone app that allows you to communicate with your Facebook friends without having to be on the Facebook website. You can access your messages from any device that has the Messenger app installed, including smartphones, tablets, and computers.
Video – How To Use Facebook Messenger Without Facebook
So there you have it! You can now use Facebook Messenger without having a Facebook account. While this method does not give you all of the features that are available to Facebook users, it is still a great way to communicate with friends and family. Have fun!