How do I add a picture to my home screen?

How do I put a picture on my home screen Samsung?

- To use an existing wallpaper image: Tap. My wallpapers. . Select a wallpaper image from the list. Select an option (e.g., Home screen, Lock screen, Home and lock screens). If available, select (check) - To use an image from your gallery: Tap. Gallery. . Locate then select the preferred picture. Tap. Done.