If you are using macOS Sonoma or later, Safari allows you to create a "Web App" directly on your Mac.
This method turns the official website into a standalone desktop application that lives in your Dock and Launchpad, offering a cleaner, more focused experience than a standard browser tab. How to Download Facebook for Mac (Safari Method) download facebook for mac
While there is no "traditional" official Facebook application in the Mac App Store, you can still "download" a high-quality, app-like version of Facebook for your Mac using modern browser features. If you are using macOS Sonoma or later,