You need to know the basics of trading. There are a lot of helpful videos about trading on YouTube, go on and watch them.
How to take start with trading, this isnt a hard task to find out. For everyone, rule is same and that is learning. Learn better about that thing in which you want to become an expert. Learning can make you a strong conceptual man that will be providing best solutions to the problems when countering in the practical world. You all must understand this and only this one would be best solution for you.