Install Expert Advisor into MetaTrader 4
How to install an Expert Advisor into the MetaTrader 4 platform
Install Expert Advisor (EA) or Forex Robot into MetaTrader 4 (MT4) platform is a simple process. All that required are some basic computer skills and of course MT4 platform that you download from the Broker (login and password for the MT4 account you will get from the Broker).
The EA/Robot installation will be always on a computer (PC or VPS) in MT4 Platform, Metatrader 4 platform also have an application that you can see the trading from Smart Phone or Tablet.
All you need to do is to copy and paste the EX4 file that you got by email to the Experts folder in your MT4.
Step 0 – Download from the Email the EX4 file that you got (DoubleFXRobotXXXXX.ex4 –> this is your private copy of Double FX Robot) to your Desktop.
Step 1 – Open your MT4 and Go to File –> Open Data Folder.

Step1
Step 2 – Double-click on the MQL4 folder.

MQL4
Step 3 – Double-click on Experts folder.

Experts folder
Step 4 – Copy and Paste your ex4 file into the Experts folder (from your desktop).

ex4 file for MetaTrader 4 platform
Step 5 – Go to Navigator window and Refresh your Expert Advisors folder by Right Click on Expert Advisors and Refresh (you will see your DoubleFXRobotXXXXX file appear).

Refresh Expert Advisor in Navigator panel
Step 6 – Press on Auto Trading Button.
Step 7 – Drag and drop your EA onto the chart you want (EUR/USD for example).

Drag your EA onto the chart
Step 8 – Choose the Inputs tab to change the defaults parameters if needed and press OK.

Double FX Robot External Parameters
Step 9 – Repeat on step 7 and step 8 with all your currencies that you want according to your favorite profit/risk.