The Foreign Exchange market, also referred to as the "FOREX" or "FX" is the largest financial market in the world, with a volume of over $4 trillion A DAY. If you compare that to the $25 billion a day volume that the New York Stock Exchange trades, you can easily see how enormous it really is.
First read this introduction. http://www.babypips.com/school/
Then, start by learning price movement,support/resistance & trends. Its the basics that are also relevant to any other trading.
http://www.investopedia.com/articles/tec...061801.asp
http://www.investopedia.com/articles/tra...dlines.asp
Next step is start trading on a demo account for few months, its totally free and you get access to the full platform. Many, many brokers are offering it.
http://www.fxopen.com/Download.aspx?name=fx4setup.exe