Select objects to align. Each workspace (Schematic, 2D PCB, 3D PCB, and Footprint) has specific objects that can be aligned.
In the Design toolbar, click Modify > Align .
In the Align dialog, choose an alignment or distribution type: Alignment Types:
Align to top edges : Aligns objects to the top edge.
Align centers vertically : Aligns objects by their vertical centers.
Align bottom edges : Aligns objects to the bottom edge.
Align left edges : Aligns objects to the left edge.
Align center horizontally : Aligns objects by their horizontal centers.
Align right edges : Aligns objects to the right edge.
Distribution Types:
Distribute horizontally : Distributes objects equally along the horizontal axis without moving the end objects.
Distribute vertically : Distributes objects equally along the vertical axis without moving the end objects.
Click OK.