The Shawshank Redemption (1994) is frequently uploaded to the Internet Archive for free viewing, these uploads are generally not officially licensed and may be subject to removal due to copyright infringement Status of Film Content on Internet Archive Copyright Status
You can frequently find the original audiobook version of Stephen King's novella.
If you are looking for a free, legal way to experience the story of Andy Dufresne and Red, consider these more reliable options:
One rainy Tuesday, Elias was deep in a rabbit hole. He wasn’t looking for anything specific, just drifting through the "Feature Films" section, sorting by the number of views. He scrolled past Night of the Living Dead , past His Girl Friday , and then his mouse hovered over a thumbnail that made him frown.
Finally, the man fell out into a stream. The rain poured down. He ripped off his prison shirt, raising his arms to the sky in the iconic pose of freedom.