Demo account is an irreplacable thing in every way. But it has one disadvantage – addiction and false sense of security.
Difference on demo account and real account is about trading server anda capital that used, on demo account some trader said can work well and easy to open trades, but on real account sometime facing with requote problem, and also money in demo account is only virtual money, although margin call its not big deal for trader, but in real account if facing margin call hence trader will felt disappointedDemo accounts are an excellent way of testing your abilities in the world of forex. Thet have the same environment as real trading without the risk of losing anything. So, my advise for you is to invest as much time you want in demo account trading.