Open the Finder on your Mac.
2. Choose Applications > Utilities > Dock and turn on Desktop Pictures.
3. Double-click on an empty space in the Dock to open a shortcut menu.
4. Select New Shortcut.
5. In the “Shortcut Title” field, type “ Facebook ” and press Enter.
6. In the “Description” field, type a brief description of what this shortcut will do. (Optional)
7. Drag and drop the Facebook icon onto the shortcut you just created. (Optional)
8. Click on the newly-created shortcut to launch Facebook on your Mac!