How can I replace deck boards effectively and efficiently?

To replace deck boards effectively and efficiently, follow these steps:

1. Remove the old boards carefully using a pry bar or screwdriver.
2. Measure and cut the new boards to fit the deck.
3. Pre-drill holes for screws to prevent splitting.
4. Secure the new boards in place with screws or nails.
5. Seal or stain the new boards for protection.