MetaTrader5 or 4 is special software (platform) that allows you to get access to the real live foreign exchange market quotes and to trade Forex. It is a necessary software that it is impossible to trade Forex without either manually or automatically. The free Forex robot that you download here should be installed in the MT5 or 4 terminal. Most of the Forex brokers provide their own version of the trading terminal that is specifically set up for comfortable trading according to brokers’ rules.