I have a job installing an engineered product in two different rooms in a split level home. One room at the top and one room at the bottom of 4 steps. These four steps are painted concrete.
I've never done something like this. My thought is to glue and screw some plywood to the steps, or maybe just screw because of the paint, and glue the laminate to the plywood.
The walls at each side of the steps are painted concrete block.