High-quality prefinished stair treads are made of solid edge-glued wood—not a veneered or engineered material—and can be used to “cap” or reface an existing tread.
Sanding the treads and risers using an orbital hand sander.
Hand sand around the base of the spindles. Finish with the color that best suits the matching floors.
Finish with the color that you want, after sanding and applying new stain you will have a whole new look.