If you do not know anything about the forex market, investing in Forex is something similar to a game of chance. You can put € 500 and triple your investment without too much trouble, just like you can lose everything.
If you know the currency market or want to learn to understand it, then you may be able to anticipate some variations and make some profits. However, you probably have to do it with small leverages to avoid losing everything in small variations that always occur in such volatile markets.
Only invest in what you understand perfectly. If you have doubts about being able to anticipate changes in the exchange market, stay away from the Forex just as you have to flee the stock market if you are not willing to learn the basics of financial analysis of listed companies.