Well every trader has their own set of strategy, system, mindset on how to trade forex.
The only way is to get to know your inner self first. What makes you, you. Then find the suitable trading timeframe, this usually is influence by factors such as are your studying or working or have very flexible timeframe. This is important as you need to be constantly invovled as trading sentiments can change very fast as the forex market is the most volatile financial market.
There is no harm in getting to know trading strategies such as EW, MA crossings, Fibonanci and thousands out there. The thing is you need good sound money management system. When to cut loss is the most important. Controlling your emotions and trading account is important. You and I definitely can't control the market. So control what we can control.
After testing out at least hundreds of systems, then only you will know which works and which doesn't. At least back test each system for 2 years by paper trading it. Never use strategy tester available on EAs. That will be crap.
Once you have all this done, then maybe you are on your way to be a good trader. However, the beautiful thing about forex is you must constantly update yourself as the market is always evolving.
I wish every trader here all the best.