You will find all of the tutorial about metatrader 4 in youtube. It is very easy to use. First you need to choose which pair you have to buy. Then double click on it and a new window will come. There if you buy, then click on buy or if you sell, then click on sell. And when you see you got profit, close the order immediately. You can set stop loss and target profit also. Before you start real trading, i recommend you to use the demo account.