To , you should always use the official app stores for your specific device to ensure security and receive automatic updates. While you can access the platform through any mobile or desktop web browser, the dedicated application often provides a more responsive interface and integrated features like push notifications. How to Install Facebook on Mobile Devices
For the vast majority of users, the installation process is a simple, three-step action through the Google Play Store or Apple App Store. Explained: What is Facebook? - - Webwise install facebook