Wait, the user specifically mentioned "install". If the movie isn't available on legal streaming platforms, perhaps they have a copy on their device and want to install something to play it. So steps would involve: 1) Ensure they have the movie file saved in a folder. 2) Install a video player app. 3) Open the player and navigate to the movie file. Alternatively, if they want to install an app that offers the movie, but that might require sideloading an APK from an unofficial source, which is tricky and has security risks.