How does Tom Hanks in cast away get Clean water?

In "Cast Away," Tom Hanks' character, Chuck Noland, finds a way to get clean water by using coconuts. He learns to collect rainwater and uses the coconut shells to gather it. Additionally, he also uses his survival skills to boil seawater to create fresh water, though this is not explicitly shown in the film. His resourcefulness and adaptation to the environment are key to his survival on the deserted island.