If you have new concrete, you have a few options. You can wait for the concrete to fully cure and seal it then, or you can a curing compound or a cure and seal to help aid with proper curing.
Solvent-Based Wet Look Sealers for New Concrete: If you want a dramatic color enhancement with the gloss, the Armor LV15 (low-gloss) and Armor LV25 (high-gloss) are great options.
Water-Based Wet Look Sealers for New Concrete: If you want minimal color enhancement with a gloss, the Armor WB15 (low-gloss) and Armor WB25 (high-gloss) are great options.