The answer to 'best way to clean hardwood floor' is to use a microfiber mop and a pH-neutral hardwood floor cleaner. Microfiber mops are gentle on hardwood floors and effectively pick up dirt and dust without scratching the surface. A pH-neutral cleaner will clean the floors without damaging the finish. Avoid using too much water, as excess moisture can warp or damage hardwood floors.
It's also important to sweep or vacuum the floors regularly to remove loose dirt and debris before mopping. For deeper cleaning, you can use a wood floor cleaning machine or hire a professional hardwood floor cleaning service.