MetaQuotes (MQ) is not a broker, it means: you can open only demo account with MQ (free practicing account).if you want to open real money account (live/real account) so you should do it with your broker (just select the broker and open account with them).And it is some links/pages I selected for you for quick start related to it:
Forum on trading, automated trading systems and testing trading strategies
How does MQL5.com balance interact with broker balance?
Eleni Anna Branou, 2017.02.25 23:03
You MQL5.com balance is only for buying services within the MQL5.com website, such as: market products, signal subscriptions, VPS hosting and so on.
It has nothing to do with your broker's account balance, which is the money you trade with.
Sergey Golubev, 2017.02.09 10:51
MetaQuotes company is not a broker so you eed to select a broker for trading.
Some links which may help in this situation:
MetaTrader 5 Help - Getting Started
MetaTrader 5 Help - Getting Started - Open an Account
MetaTrader 5 Help - Open an Account
Android https://www.metatrader5.com/en/mobile-trading/android/help/settings_accounts/account_open iPhone/iPad https://www.metatrader5.com/en/mobile-trading/iphone/help/getting_started