To find your settings: Click account settings in the top right of any Facebook page. Click Settings, then click on the setting you'd like to update from the options in the left sidebar.
If you're logged in but have forgotten your password, follow the steps under Change Your Password then click Forgot your password? and follow the steps to reset it. Keep in mind that you'll need access to the email associated with your account.
You can't turn off notifications entirely, but you can choose what you're notified about and how you're notified.
Facebook is a community where everyone uses the name they go by in everyday life. Always knowing who you're connecting with helps keep you and the rest of our community safe from impersonation, scams and phishing.
This is about using messages on Facebook on a computer. For help with the Messenger app or messenger.com, visit the Messenger Help Center.