Most often you will have carpet on your stairs and you need to remove it first.
Installing laminate flooring on stairs.
Installing laminate flooring on stairs can be tedious and time consuming and is a lot different than installing laminate flooring on a floor.
It can have tack strip and a lot of staples.
To install laminate flooring on stairs start by removing the overhang or the underside of the stairs with a jigsaw.
Alternatively you could cover the overhang with plywood to make it level.
Laminate flooring installation on stairs.
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However installing laminate flooring on your stairs is a completely different matter.
You need to take care of the treads risers and stair noses which can get a bit complicated at times.
Once this is done measure and cut out your pieces of laminate to make tread pieces riser pieces and stair nosing.
The difference is usually the stair noses.
Things i mention in this vid.
Installing hardwood flooring is basically the same as installing laminate flooring on stairs.
Step 1 remove carpet and tackstrip.
You have to ensure that there are no gaps and spaces in the flooring and it is complete and perfect in every way.