Click on the number in the puzzle and the clue will pop up next to a blank where you can fill in the answer. Use the letters above the puzzle to fill in the answer. Click on "Enter" to move the answer from the blank to the puzzle below. Click on "Hint" to get a hint. Click on "Check" below the puzzle to check your answers. To edit your answer, highlight all the letters with your mouse and hit the "Delete" button on your keyboard.