a demo account is the safest option for sure when just learn about trading. It's also a way for trader to check out broker trading condition before they actual commit and make any deposit
The best approach to start forex trading is by practising on a demo account and learning about forex market side by side.
Learning and understanding the market should be the first step of a newbie. Demo trading is a must before a trader starts to trade live. Prefer using a small deposit account initially and imply a strict risk management strategy.