You click on the left side of the screen. Blue dots mean you missed, red dots mean you hit the computer's ship. Click until you see a red dot, that's the computers ship. Click continuous red line until you sink it. Keep going. On the right side of the screen you can see the computer sinking your ships. Just keep clicking on the left side for red dots until you sink all the computers ships. You do NOT have to wait your turn, just keep clicking away. Good luck!! It is possible to win.
(Hint - Ships: 1 with 5 spaces, 2 with 4 spaces, 4 with 3 spaces and 4 with 2 spaces)