Answer
What do you collect them for? For a starter's tutorial?
Youtube has surely plenty of them. But that is not the point. The real point is, how you can make real money thru forex trading.
Maybe you have heard of forex robot alike stuff. I tell you the truth, those are scams.
In forex realm, only human brain is gonna work.
For forex forecast, you need to know some basic knowledge. Elliott Wave Principle is the best of all. You can buy a book learning some 101 for that method.
http://www.elliottwave.com is a good place for you to go. While the daily forecast is a paid service.
There's a good place to get free daily forex forecast applying elliott wave theory.

Can i join forex company?

I am 15 years old and i need to join forex can anyone know that what i have to do there and is it good for me thax..

Answer
I think you mean how to start forex trading, you will find many online tutorials there explaining how to begin trading wright. It takes you from A to Z in forex world. you must learn well how to do forex cause it is very risky. best of luck.