I absolutely second piper's advice. Get a teacher to start you right.
I started in 4th grade band with a legitimate band teacher (who also luckily was a flutist). She moved to the new middle school in my 5th grade, and we made do with the vocal teacher (who I doubt had any actual band training). The girl who started flute with her never was taught correct embouchure, nor how to properly tongue, to "ta"--she just sort of huffed into her flute. Spent an entire year playing like that. Got to 6th grade and back to the real band teacher, who tried everything she could think of to break this bad habit. The girl still could never get her head around not huffing into her flute.
Needless to say, she quit after the next year.
There is no continuing enjoyment from poorly playing an instrument incorrectly. Whereas there is life-long pleasure once you've mastered the basics of good, proper playing. The Civic Band I now play in, our oldest player (92 years old) just retired due to some health issues that recently came up. He maybe wasn't our best trombonist, but that never lessened his enjoyment of playing.
Please PLEASE find a teacher to get you started on correct methods. After that, if you just want to play for personal pleasure, use methods books to self-teach. If you want to play more seriously, then continue your lessons. Trust me, you won't regret the expense!
1975 Gemeinhardt M2 in chrome nickel
1982 (app) Armstrong 80
2006 Yamaha 584
1978 Artley piece of crap 15 P
1982 Gemeinhardt 4S
1980s (?) Armstrong all wood (no model)
2006 Jupiter di Medici G0199
Plus many many flute-cousins....