If you're looking for a free alternative, you can check if the movie is available on public domain or Creative Commons platforms. However, be aware that "Titanic" is still under copyright, and any unauthorized distribution or streaming is likely to be taken down.
Instead, you can legally watch or download James Cameron's masterpiece through several official platforms. Where to Watch Titanic (1997) Legally Paramount+ Paramount+ is the only legal streaming site for it. Paramount+ Amazon Prime Video titanic 1997 google drive