In the TPG Scheduler, you can display subtasks in the Gantt chart directly below the bar of the higher-level summary task:

➢Show the Rollup column. (see Schedule - Table) ▶ Checkboxes appear in the task rows.

➢Click on the checkbox of the subtask in the Rollup column.

▶ The subtask appears directly below the parent task in the Gantt chart.

Or

➢Open the information Window of the task. (see Define dependencies between Tasks - Information Window)

➢Click on the Advanced tab. (1)

➢Click on the Rollup checkbox. (2)

➢Click on Save. (3)

▶ The subtask appears directly below the higher-level Summary Task in the Gantt chart.