There is no one way to learn Forex is to open a demo account and practice demo very well and without that you cannot become a trader and you can also learn Forex on many websites to follow and follow experts.
Forex trading is always needed if you want to make your future in this field. You have to trade demos which always gives you a great experience that you can use in real trading or direct trade. Forex trading is not a very easy business because people know that making profits from this field it is not possible for every trader, so it's good to try and gain experience before entering this field.