I uncover concrete sealers are super uncomplicated to apply. Just clean the concrete, let it dry, then implement the sealer using a mop. It won’t alter the shade on the concrete, but will darken it a tiny bit and incorporate some gloss. You’ll should reapply it on a yearly basis https://mcgepoxycoatings.com/epoxy-vs-untreated-concrete-garage-flooring-which-one-is-best/