Many State and National parks near you have checklists of the birds seen in the park. To do this, you should learn about the habitat each species of bird prefers. You should learn the bird songs of the birds in your yard. Later, learn the songs of other birds in your area of the country. You might even want to buy a book that can tell you about good spots in your area to look for the birds.
Birders are very friendly and helpful.
They are always willing to share their knowledge. We were all beginners once. Start by calling the local Audubon Society, the local Nature Center or Parks Commission, or the local Bird Club. If all else fails, go to the park with your binoculars. Someone is sure to strike up a conversation and they might lead you to a whole new group of birding buddies.