For absolute beginners

Watch the following online videos first:

• Everything You Need to Know About Chess
• ​The Magic of Chess

Chess books

Read the following books and solve the tactic and checkmate puzzles:

• A World Champion's Guide to Chess: Step-by-step instructions for winning chess the Polgar way​
• Chess Tactics for Champions: A step-by-step guide to using tactics and combinations the Polgar way
• 1001 Deadly Checkmates

Play on the internet

Chess.com
Chesskid.com
ICC (Chessclub.com) 
Playchess.com

Play in a local club

Find your local chess club from USCF website.  Here is a list of local chess clubs around Philadelphia:
Allentown Center City Chess Club
Lehigh Valley Chess Association
Masterminds Chess Club
West Chester Chess Club
Hamilton Chess Club
North Penn Chess Club
Main Line Chess Club