Is it possible to legally for free? Occasionally, yes, but with caveats.
If that is you:
Under the Berne Convention, copyright expires 70 years after the author’s death (Walter Hill is still alive as of this writing). That means The Warriors will not enter the public domain until the 2060s. For 40+ years, a significant work of 20th-century cinema has been locked away. Downloading it is a form of civil disobedience. It is the public saying, "You will not erase our history for the convenience of a 'Director’s Cut'." Download The Warriors