Collectors often prefer the DVD or Blu-ray versions, which frequently include "making-of" documentaries that explain the historical accuracy of the sets and battles.
If you are looking for options, it is important to understand the cultural significance of this film and how to watch it legally and safely. The Epic Tale of Queen Suriyothai
Many university and public libraries carry the Francis Ford Coppola edit of the film. Conclusion
While the temptation to find a free "pirated" link is high, downloading from unverified sources comes with significant risks: