This wikiHow teaches you how to sign out of Facebook and/or Messenger using a computer, phone, or tablet. If you forgot to log out of a public or shared computer, you can use the Facebook security settings to log out remotely. If you want...
22 Apr 2020 ... If you forgot to log out of a public or shared computer, you can use the Facebook
security settings to... ... If you want to delete your entire Facebook account, see
How to ... How do I logout of Facebook on my computer?