Take your puppy home early in the day
Arrange the homecoming as early as practicable in the morning, on a day you can devote to your new puppy. Then it not only has a whole day to get used to its new home, it becomes accustomed to understanding that but you are the substitute 'mother who mother to attend to its needs.
The puppy needs time to investigate its new surroundings, and be given encouragement and praise so it has the confidence to approach unfamiliar objects. Some puppies have never seen a plant growing in a pot before, let alone a TV set.