I come across concrete sealers are super simple to use. Just clear the concrete, Allow it dry, then use the sealer with a mop. It won’t change the coloration in the concrete, but will darken it a little bit and insert some gloss. You’ll should reapply it on a yearly https://mcgepoxycoatings.com/epoxy-vs-untreated-concrete-garage-flooring-which-one-is-best/