The simplest way to clean a laminate floor is to use water and vinegar.
Mix a cup of water in a quart of water in a spray bottle. After sweeping the floors spray the water and vinegar mixture on the desired area and wipe with a terry cloth towel or micro fiber cloth before the liquid dries.
Do not use traditional wood cleaners on your laminate floors. These cleaners can create an unwanted waxy buildup on the floors.