If you are looking for this via a .txt file or Google search "free" links, be cautious. Often, these text files are just directories or redirectors.
– If you can give me any additional details (author name, exact title, publication year, journal or conference, DOI, etc.), I can point you to the official source where the paper is hosted (e.g., the publisher’s website, an institutional repository, or a legitimate open‑access archive).