While it might be tempting to search for a "torrent dublado" (dubbed torrent) for Avatar: The Way of Water with an "install" link, there are a few big reasons why that's usually a bad idea for your computer and your viewing experience.

If you don’t want a subscription, you can buy or rent the movie on platforms like the Apple TV App or Google Play Movies. This gives you a permanent digital copy without the risk of downloading shady files. Why Quality Matters for Avatar

Unofficial torrent sites are notorious for hiding "keyloggers" (which steal your passwords) inside fake download buttons.