Recommended prerequisite reading
https://analysis.tfxi.com/2020/04/01/download-and-install-metatrader-4-client-terminal-for-windows/
https://analysis.tfxi.com/2020/03/29/opening-a-demo-metatrader-4-trading-account-from-traders-room/
Login to Demo MetaTrader 4 Trading Account
On the top toolbar, click “File”, then click “Login to Trade Account” from the drop down list.
Enter your demo account credential which you have received in your email.
Press “Login” button and you should be in!
Continue reading
https://analysis.tfxi.com/2020/03/30/placing-an-order-in-metatrader-4-client-terminal/
Other reading
https://analysis.tfxi.com/2020/03/29/changing-metatrader-4-trade-account-password/
https://analysis.tfxi.com/2020/05/21/metatrader-4-data-center/
https://analysis.tfxi.com/2020/10/11/metatrader-4-invalid-account-error-message/
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