MetaQuotes Co. have released a new Build of MetaTrader 4 – 574.578, 600… (> 509) ( Click on “Help -> About” in your MT4 to know which MT4 version you are using).
New version of MetaTrader has new file structure. You’ll not have any problem with new version , if your Expert Advisor doesn’t use any .dll files. In other cases (EA has dll file), your EA may not work.
How to install Indicators/Experts/Scripts/ Templates files in new MT4
1) Open your MT4 platform
2) Click File — Open Data Folder
Here you will find a folder called MQL4, this is the new “home” for all your .ex4 or .mq4 files you have
3) Open folder MQL4. Here you will find these folders:
Experts – Expert Advisors (trading robots),
\Indicators – custom indicators,
\Scripts – scripts (MQL4 applications for a single run on the chart),
\include – source code MQH and MQ4 files implemented into other programs,
\libraries – libraries in the form of MQ4 source codes and EX4 executable files compiled from them. They are used for the dynamic call of the functions contained there by other MQL4 programs,
\Images – image files for using in resources,
\files – special “file sandbox”. MQL4 applications are allowed to execute file operations only within this directory.
3.1) Copy your EA (experts advisors) (ex4 or .mq4) files into MQL4/Experts folder.
3.2) Copy your Indicators (ex4 or .mq4) files into MQL4/Indicators folder.
3.3) Copy your Scripts (ex4 or .mq4) files into MQL4/Scripts folder.
3.4) Copy your Templates ( .tpl) files into templates folder (you can find this folder when open your Data Folder)
3.5) Copy Files of settings files of EA (.set) into Presets folder.
4) Restart your MT4
Here videos instructions :
How to install MT4 files (Indicators, Experts, Scripts, Templates… ) in new Meta Treader4
How to to open new data folder from outside of the MT4:
You just need to open the following folder: Enter %APPDATA%\MetaQuotes\Terminal\