Several tools...
Straight Stair
Half-Turn
Quarter-Turn Stair
Double Quarter-Turn
Triple Quarter-Turn
Spiral
U-Type
Single Quarter Landing
Double Quarter Landing
Free-Form
Stair Wizard
To finish the stair design and save its parameters
The stair is saved and this completes the design.
Note: Stairs, once designed and saved, can be edited using Modify Stair.