Create Tasks Sequence

Select menu Edit|Create Tasks Sequence. A tasks sequence will appear in list as following dialog.
Now, the new tasks sequence name Sequence1. Click change button to set active area for tasks sequence.
Select Sequence from list by click it, then select menu Edit|Add Task to add task (Text task, Image task, or Gif animation task) to the tasks sequence.
Or select a existed task in list and drag it to tasks sequence. For example, we add task2 and task3 to the Sequence1.