MQL4 To MQL5 Tutorial Collection: Free MT4/MT5 Expert Advisor

Overview

The collection focuses on highlighting the technical improvements and syntax changes between the two versions of the MQL language. The included scripts demonstrate how to access symbol information, market data, and account properties on both platforms. It does not execute trades or manage risk; instead, it serves as a technical reference for developers. The documentation is minimal, primarily pointing to external community resources for support.

Comparative MQL4 and MQL5 source code

Symbol information retrieval examples

Technical reference for platform migration

Demonstration of built-in API functions

Details

Author

darwinex on GitHub

Type

Collection

Platform

MetaTrader 4 (MQL4) and MetaTrader 5 (MQL5)

Markets

Any symbol

Timeframes

Any timeframe

Risk profile

No grid, martingale or hedging logic was found in its code or README. That says nothing about how it performs: backtest it first.

EA files

Topics

mql4mql5metatrader-4metatrader-5mt4mt5metatradermetatrader5metatrader-platform

Source

github.com/darwinex/mql4-to-mql5-tutorials

How to install it

1Download the sourceUse "Download source (.zip)" above, or clone darwinex/mql4-to-mql5-tutorials from GitHub, and unzip it.

2Open the data folderIn MetaTrader choose File, then Open Data Folder, and go to MQL4/Experts or MQL5/Experts.

3Copy the filesCopy the .mq4 / .mq5 file into Experts.

4Compile in MetaEditorOpen the file in MetaEditor and press Compile. Fix any missing includes the compiler reports.

5Test before you tradeRun it in the Strategy Tester, then attach it to a demo chart and allow algorithmic trading.

Third-party code. ForexR did not write, test or endorse this EA, and the summary above was generated automatically from its README and code. ForexR lists only repositories with readable source code and never hosts files. Read the code, backtest it and use a demo account first; automated trading can lose money quickly.

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