While there is no "official" standalone Facebook application developed specifically for macOS, you can easily download a desktop-like experience for your Mac using built-in features in Safari and Chrome. These methods allow you to pin Facebook to your Dock and use it in a dedicated window, separate from your web browser. How to "Download" Facebook for Mac (Safari Method)

The most integrated way to get Facebook on your Mac desktop is using Safari's "Add to Dock" feature. This creates a Progressive Web App (PWA) that looks and acts like a native macOS application. and go to facebook.com. Sign in to your account. Go to the File menu in the top menu bar.