[header] How to socialize a new dog with your family [title] Start socialization as early as possible. [step] Puppies are particularly open to new experiences between 8 and 16 weeks old. If you've just adopted a new puppy, expose it to adults, children, other dogs, and as many new sights and smells as possible during that timespan. 
Remember to make sure its vaccinations are active before bringing your puppy around other dogs. [substeps] Bring your puppy to your veterinarian before you introduce it to other people and animals outside of your home.