From the main menu, select Settings & Privacy, then tap on Settings. Once you figure out how to download Facebook on your phone, you'll likely want to enable two-factor authentication for some measure of security. As we noted, Facebook removed its app from the Windows store. Got a Windows device? Then better head to a web browser if you don't already have Facebook installed.
Facebook Messenger for iOS and iPhone: iOS App Store.Facebook Messenger Lite for Android: Google Play.Facebook Messenger for Android: Google Play.As with the main Facebook app, there's a scaled-down version of Facebook Messenger for low-powered Android phones. If you want to chat from your phone, you'll need a separate app - Facebook Messenger - which lets you chat by text and video for free. Facebook's browser interface includes a built-in chat feature that's proven quite popular.
