The answer to 'how to clean bathroom' is to use a combination of cleaning products and techniques to thoroughly clean all surfaces in your bathroom. This includes scrubbing the toilet, sink, and shower/tub, wiping down countertops and mirrors, and mopping the floor. It's important to clean your bathroom regularly to prevent the buildup of dirt, grime, and mold.
For routine cleaning, you can usually handle it yourself with some basic supplies like all-purpose cleaners, disinfectants, and a scrub brush. However, for more stubborn stains or deep cleaning, it may be best to call in a professional cleaning service that has the right tools and expertise.