Fill a spreader with enough salt to treat your sidewalk or stairway. A quarter to half a cup of salt per square yard of sidewalk is enough to get the job done.
Walk down the center of your sidewalk and slowly crank the handle of the spreader so it covers the area of the sidewalk and doesn't get salt on your lawn. Salt may damage the lawn, causing extra work for you to repair it in the spring.
Remove water and slush from the sidewalk or stairs immediately after thawing. You can use a shovel or broom. This will prevent the water or slush from freezing again as temperatures drop, keeping your walkways clean and clear of hazards.
Repeat the process as necessary to keep the sidewalk and stairs clean and dry.