What are the steps to uncovering and restoring hardwood floors hidden under carpet?

To uncover and restore hardwood floors hidden under carpet, follow these steps:

1. Remove the carpet carefully to reveal the hardwood underneath.
2. Clean the hardwood floor thoroughly to remove any dirt or debris.
3. Sand the floor to remove any existing finish or imperfections.
4. Stain or refinish the hardwood floor to achieve the desired look.
5. Apply a protective sealant to preserve the restored hardwood floor.