How do I properly install screws for closet shelves to ensure they are securely attached and can support the weight of items placed on them?

To properly install screws for closet shelves, first, mark the locations for the screws on the wall. Use a stud finder to locate and screw into wall studs for maximum support. Pre-drill holes slightly smaller than the screw size to prevent splitting. Insert the screws into the pre-drilled holes and tighten them securely using a screwdriver or drill. Make sure the screws are flush with the shelf brackets to ensure stability and weight support.