Select the align mode.
Min aligns objects along the side closest to 0.
Max aligns objects to the side farthest from 0.
Mid aligns centers.
Dist distributes objects equally along the distance between them.
Stack moves objects so they are lined up with no space between them.
Select which axes to align along. For example, to align tops/bottoms turn on
World Y.
Select what to move the objects to.
Selection Average moves the objects to the average of the object’s coordinates.
Last selected object moves the objects to the key object. This object is highlighted in green.