Fill a bucket with hot water. Water should not be boiling hot, it should be a little hotter than just warm. Thorough wet cleaning wit a special mop https://cleanhomeguide.com/best-mop-for-laminate-floors/ should be carried out once every few months or immediately after the floor got extremely dirty. Ordinary hot water is the most effective method of washing the laminate. After it, there will be no stains, or even better, this is the most delicate method, unlike methods with cleaners.