FOLLOW THESE STEPS:

01. Copy the MyStrategyTrainerEA to the "experts" folder of the MT4

02. Run your MT4 platform then press Ctrl+R or open View | Strategy Tester.

03. Set the Expert Advisor to this EA.
    Pick your favourite Symbol/Pair.
    Set Model to "Every Tick".
    Set Period to your preference, set Use Date (for example, From: 2008.07.14 To: 2008.07.15).
    Tick/Check the Visual Mode on.
    You may also set the Speed slider bar.

04. Press Start Button, a new chart will appear.

05. Press Pause Button (||) right away (the left of Skip To Button).

06. Load your Strategy template to this new chart.

07. Press Play Button (>>) to run the simulation. IT'S LIKE TRADING IN A REAL TIME!!! :)

08. When you see your Strategy Setup formed, or you want to do an action Press Pause.

09. Press F3 or Tools | Global Variables, the Global Variables window will appear.
    You can choose one of the following actions:
    A. Open Buy - Set the GVAction to 1
    B. Open Sell - Set the GVAction to 2
    C. Close - Set the GVTicketToClose to Ticket# you want to close, eq: 1.
               Set the GVLotsToClose to Number of Lot(s) you want to close, eq: 1.
               Then Set the GVAction to 3.
    D. Move All Stops (to protect the profit) - Set the GVNewStopToMove, eq: 1.5925
                                               Set the GVAction to 4.
    E. Close All Open Orders - Set the GVAction to 5
    After setting the necessary variables, close the Global Variables window.

10. Press Play Button again, you will see an action executed.

11. If you want to stop this simulation just press Stop Button, if you want to continue
    just go back to Step 08 again.

You can see your trade Result (Orders, Total Profit), Graph, Report, Journal at 
the Left Below Tabs.