How do I open a trade on Skilling Trader?

Click on any Symbol from the Market Watch:

You will see that on the Right Side of your screen, the Trade ticket appears:

Through the Trade Ticket, you are able to Choose between 'Buy' and 'Sell', specify the units you intend to trade, and the Stop Loss or/and Take Profit to be attached to your trade.

Click on the Buy or Sell Button and your order will be executed.