Follow these Steps:

1. Fill out the boxes at the top of the To-Do List with your task information.
2. Click "Add Task" to submit your new task.
3. Find your new task at the bottom of the To-Do List.
4. Click on the task in order to cross it out, or to indicate that your task has been completed.
5. Click on "edit" to change the information and see your task in detail.
The task should show up above, and you can successfully update the task by clicking, "Add Task".
6. Click on the "x" in order to permanently delete a task.
7. Click on "Clear All" to clear all the input boxes.
8. Click on "Expand" to see your tasks in detail. Click the "x" on the preview to close it.