What is the best way to use a square drive screwdriver for assembling furniture?

To use a square drive screwdriver for assembling furniture, make sure to select the correct size of the square drive bit that fits the screw head. Insert the bit into the screwdriver handle and align it with the screw head. Apply firm pressure and turn the screwdriver clockwise to drive the screw into the furniture piece. Be careful not to overtighten the screw to avoid damaging the furniture or stripping the screw head.