However there are ways to give yourself an edge.
One is, to copy other successful traders (yes, it's allowed!)
Another is to use a Forex software or 'robot'.
It's outside the scope of this site to go into all the detail you need about how to trade the forex, but here's a site dedicated to nothng but forex trading.
You will even get access to excellent online courses run by pro traders who can teach you all you need to know to make money trading the Forex markets.