You'll have to determine what type of finish is on them now. If it is a wax You can rewax and buff them to a nice sheen. However this will be an ongoing maintenence as the wax wears out.
You could strip the wax and give the floor a light sanding and topcoat with a gloss or semigloss Poly-urethene. Poly holds up well and you can determine if you want satin, semigloss, or a gloss finish
You could strip the wax and give the floor a light sanding and topcoat with a gloss or semigloss Poly-urethene. Poly holds up well and you can determine if you want satin, semigloss, or a gloss finish