Differences between .mq4 and .ex4 files
By default, the MetaTrader 4 provides some standard indicators, but you can add your own by using two different types of files:
From a practical point of view, it does not matter which type of file you have available (usually it is the .ex4 only without an access to the source code) until you would like to make some changes directly in the source code.
Even if you have the .mq4 file available, but you have no coding experience, do not worry! After uploading the file correctly to your MetaTrader 4's root folders, the trading platform will do everything needed for you automatically.
Once you install the .mq4 file and launch the MetaTrader 4, the trading platform immediately creates also the .ex4 executable file, so it will be ready for use like you would install the .ex4 file.
How to install Expert Advisors, Indicators and Scripts (PC - Windows version)
The process of installing the Expert Advisors, Indicators or scripts in case of MetaTrader 4 trading platform running in Windows is very easy:
Viola, you have successfully installed your brand new add-on! Now in the MetaTrader 4 platform, you can find your new add-on in the navigation panel (that can be opened from the View menu). Simply open an appropriate category (experts, indicators or scripts), and drag your add-on to any chart. And now your customized platform is ready for use!
How to install Expert Advisors, Indicators and Scripts (OS X - Mac version)
Mac OS X traders have a little more difficult situation. The author of the MetaTrader 4 trading platform, MetaQuotes Software Corp., still does not offer an official version of the MT4 for Mac OS X. Therefore, OS X traders have two options:
Virtualized Windows operating system - in this case through the virtualization software, you are allowed to install Windows on your Mac. Usually, it is also possible to run both operating systems in the same time.
However, this is not much practical if you do not have more reasons than only MT4 why you would need to have the whole Windows operating system installed. In this case - after installing the Windows operating system and MT4 for Windows in the usual way, the process of installing EAs, indicators and scripts is the same as described above.
Now I would like to share with you the tutorial how to install your add-ons that works with the latest OS X versions.
I believe that the tutorial above will help you when trying to install your favorite add-on to your MT4. Now when you know how to do that, you are ready to use our unique forex indicators that you can download and use for free.
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