How to paint concrete patio?

1. Clean the surface of the concrete patio to remove any dirt and debris.
2. Prepare the surface with a concrete etching solution or light sanding.
3. Apply a layer of primer to the surface and allow it to dry completely.
4. Use a roller to apply a coat of paint to the surface.
5. Allow the paint to dry for at least 24 hours before using the patio.
6. Apply a second coat of paint, if desired, and allow it to dry for at least 24 hours before using the patio.