Learn To Translatet
By default, select mode is active when the software starts.
- Left click the worksheet.
- Hit Q to set the software to translate mode.
The translate manipulator appears.
- Hit H to set the software to select faces.
- Use SHIFT + left click to select a set of faces. It doesn't really matter which face you select.

- Left click the blue "line" handle and drag it slowly toward the bottom of the worksheet.
This translates the face along Z-.
The worksheet looks like this: ( Your results may not match exactly. )

- Examine the hierarchy:
The software adds a TransformModifier to the mesh construction history.