: If the main app is too heavy for your device, Messenger Lite is a great alternative. It was designed to run on older hardware and officially supports Android 4.0 and up. How to Install the APK
: This platform hosts a wide archive of Facebook Messenger APKs for Android 4.4+ that are safe and verified.
: Go to Settings > Security on your device and toggle on Unknown Sources . This allows you to install apps from outside the Play Store.
: Select one of the versions mentioned above and download the APK to your phone or tablet.