Remove the mattress topper from its packaging.
Remove all bedding from the mattress. Place the rolled or folded mattress topper on top of the bare mattress.
Unfold or unroll the mattress topper over the mattress.
Slide the topper across the mattress to adjust the position. The topper should evenly cover the entire top surface of the mattress.
Place a fitted sheet or a fitted mattress cover over the topper, and replace the remainder of the bedding.