can I use EAs on Demo account? if not, how do I upgrade to Real?
You should choose a broker and open a real account. MQl4 not a broker.
Q. Can I use EA on a Demo Account?
A. Yes. However, there may be licensing issues if you are purchasing the EA.
Q. Will I need to upgrade to MQL4 Real Account?
A. Yes, If you want to make real money.
Q. What will be the price?
A. It depends on the Broker. I would suggest your research "Forex Broker Reviews".
It is like getting married. I would suggest that you choose very carefully. No need to hurry.
currently, I'm using a demo account for MQL4 and once I decide to use the EAs for money,
will I need to upgrade to MQL4 Real account?
If so, how would I do it and what would be the price?