Tactics training on this website and on other websites. It's good to do at least a few tactics puzzles every day if you can. And start playing chess games online as soon as you feel confident enough. You may lose a lot of games, but you will be getting the practice you need and gaining experience. Welcome to Chess.com!
Beginner Chess Regimen
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http://www.chess.com/download/view/chesskidcom-curriculum
Is also nice to read, I read it too and it's usefull. Just ignore the kid part ;).
Can somebody reccommend a way to get better at chess for a person who only knows basic strategy?