Once he seemingly has this idea down, move the string of bells to the left or the right of your dog and see if he moves to go and hit them with his nose; if he does click and treat! Next try moving the bells above his head and then closer to the floor. If he is chasing them with his nose in an attempt to ring them, then he understands what you want!
The process is the exactly same for older dogs as it is for puppies; prevent accidents from happening by using baby gates and a crate if possible, create a predictable schedule, learn to recognize your dog’s potty signals, accompany your dog outside and immediately reward for all outdoor elimination, properly clean any accidents and supervise your dog until you’re sure that he understands the rules.
Once your puppy is reliably going only on the papers you've left, then you can slowly and gradually move his papers to a location of your choice. Move the papers a little bit each day. If puppy misses the paper, then you're moving too fast. Go back a few steps and start over. Don't be discouraged if your puppy seems to be making remarkable progress and then suddenly you have to return to papering the entire area. This is normal. There will always be minor set-backs. If you stick with this procedure, your puppy will be paper trained.
While your puppy is confined to the bathroom or his pen, he is developing a habit of eliminating on paper because no matter where he goes, it will be on paper. As time goes on, he will start to show a preferred place to do his business. When this place is well established and the rest of the papers remain clean all day, then gradually reduce the area that is papered. Start removing the paper that is furthest away from his chosen location. Eventually you will only need to leave a few sheets down in that place only. If he ever misses the paper, then you've reduced the area too soon. Go back to papering a larger area.
Every dog needs to learn to walk on a leash. Besides the fact that most areas have leash laws, there will be times when keeping your dog on a leash is for his own safety. Learn how to introduce your dog or puppy to the leash, then teach him how to walk properly on the leash, even beside you on a bike. A loose leash walk teaches your dog not to pull or lunge when on the leash, making the experience more enjoyable for both you and your dog.