How to properly grout floor tiles for a professional finish?

To properly grout floor tiles for a professional finish, follow these steps:

1. Allow the adhesive to set for the recommended time before grouting.
2. Mix the grout according to the manufacturer's instructions.
3. Apply the grout with a rubber float at a 45-degree angle, pressing it into the joints.
4. Use a grout float to remove excess grout from the surface.
5. Clean the tiles with a damp sponge, making sure not to remove too much grout.
6. Allow the grout to cure for the recommended time before sealing it.