Installing marble stairs can be a challenging task, and it requires specific tools and skills. If you are not experienced in working with marble or stone, it's recommended to hire a professional to do the job. However, if you still want to try it yourself, here are the general steps and tools needed for the process:br br Tools required:br br Marble stairsbr Measuring tapebr Levelbr Chalk linebr Drillbr Masonry bitbr Hammer drillbr Construction adhesivebr Trowelbr Groutbr Steps:br br Measure the area where the stairs will be installed, and make sure the measurements are accurate.br Determine the slope and the number of stairs required based on the height of the stairs.br Prepare the stairs for installation by cleaning and smoothing the surface.br Apply a construction adhesive to the back of each stair and press it firmly against the wall, making sure it's level and straight.br Drill holes into the marble and the wall using a hammer drill and masonry bit. Insert plastic anchors into the holes and screw the stairs to the wall using screws.br Use a trowel to apply grout between each stair and the wall to ensure a tight and secure fit.br Allow the grout to dry completely, and then clean the stairs with a damp cloth.br Remember, working with marble requires extra care and attention to prevent damaging the material. If you're not sure about the process, it's best to hire a professional to install your marble stairs.