Facebook Messenger is a messaging app that lets you communicate with friends and family. But if you want to turn it off on your computer, there are a few different ways to do it. The first way is to go to Facebook’s website and sign in. Then, under the “Settings” menu, click on “Messenger.” On the next page, under “General,” click on the button that says “Disable.” If you’re using a desktop computer, the second way to turn off Facebook Messenger is to go to your computer’s Start menu and search for “Facebook Messenger.” When it appears in the results, right-click on it and select “Disable.” The third way is to go to Facebook’s website and sign in. Then, under the “Settings” menu, click on “Account Settings.” Under “Messenger,” click on the button that says “Disable.” ..