You can start to learn forex trading by first understanding all the basics of forex market like what are currency pairs, how do the forex markets move. Then learn about technical analysis & fundamentals. After that you should learn Risk management. After that you should test out your strategies on a demo account. Once you have a good understanding, only then start on a live account with low capital or something that you can afford to lose. Remember, to never use more than 1:30 leverage, and manage your risk per trade.