The MetaTrader4 order window is used to place trades. The order window can be opened using any of the following methods:
Right-click on a currency pair in the Market Watch window and select "New Trade"; or
Right-click on an active chart and select Trade > New Order; or
Click on the "New Order" button in the toolbar, or
Press the F9 hotkey on the computer keyboard.
You can also enable ‘One-Click Trading’