How to grout tile effectively for a professional finish?

To grout tile effectively for a professional finish, follow these steps:

1. Choose the right grout color that complements your tiles.
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 damp sponge to wipe off excess grout from the tile surface.
5. Allow the grout to cure for the recommended time before sealing it.