### GanttProject - Task creation

First, you create some tasks by using the New Task button or directly from the Tasks menu choose New Task The tasks appear on the tree on the left pane; you can directly change their name here. Next, you can organize tasks by indenting them by groups or categories. So you could have a hierarchy like this:
Tasks can also be re-organized by using the up and down functions. These functions move the selected task up or down in its hierarchy reordering it.