Remove dust, dirt, and loose debris with a vacuum, brush, or dry cloth
Wipe the sill with a damp microfiber cloth
Mix warm water with a small amount of mild dish soap
Dip a cloth or sponge into the solution and scrub the sill
Use a soft brush or toothbrush for corners and grooves
Wipe away soap residue with a clean damp cloth
Dry the sill thoroughly with a dry cloth
Use vinegar and water for stubborn grime if needed
Use a non-abrasive cleaner for painted or delicate surfaces
Clean tracks and edges with a vacuum attachment or cotton swabs