Unless there is a specific stain or mark then I would suggest using only a dry or damp cloth. Using any amount of liquid runs the risk of the wood under the laminate or in the joins swelling and distorting the wood.
You can use vinager and water, some people use hot water and it works well for them. Others persons combine white vinegar, rubbing alcohol, water, and some drops dishwashing liquid.
If you are talking about wood laminate flooring you can not use steam to clean the flooring, it could destroy the flooring. So please take guide from any expert for the best solution.
Laminate Floor cleaning
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