I'm sure you will not find a 100% successful instruction because any investment involves risks, but you can learn more about the common reasons why new traders lose their money and learn how to calculate risks in order to get real profits from
stock market investing. I know that on special online portals about business and trading there are many articles about which books, video courses or lectures you can visit in order to gain the necessary knowledge for a profitable investment of your money. Don't rush, it's best at first if you will find more information about the stock market and how it works.