The best periods to visit New York City are in the spring (April to June) and fall (September to November). This is when the weather is mild and there are less crowds.
If you're visiting New York for the first time and intend to do a lot of sightseeing, stay in Midtown, Upper East Side, or Times Square.
Walk or take public transportation. New York City boasts a fantastic public transportation system that will get you anywhere you need to go. Another alternative is to join the Hop-On Hop-Off Bus Tour, which is a terrific opportunity to familiarize yourself with the city and see the main attractions
Visit The 9/11 Memorial & Museum, The Metropolitan Museum of Art, Empire State Building, Top of the Rock, and Statue of Liberty.
Purchase a city pass, such as the New York Pass (MOST POPULAR), New York CityPASS, New York Explorer Pass, or New York Sightseeing Pass.