To download facebook, first you have to connect your apple watch series 4 with compatible iphone and then open the apple watch app on your iphone. Download facebook on apple watch. Unfortunately, there is no facebook app for an apple watch but it may be in the works you can monitor the ap store on your iphone for a facebook app for an apple watch on your iphone tap the watch app then tap search bottom right corner of the screen then type in facebook.
download facebook on apple watch
