I can't make my full unlock save files work, I'm downloading them, extracting them, and copying them into the folder in my pc named "588650" like i was told by a video but they won't appear in-game, I've tried many different full unlocks to make sure it wasn't just the one that i was using wasn't working but none of them work, any tips?? This only started to happen after I deleted one of my other full unlock files because it was for the wrong version

I can't make my full unlock save files work, I'm downloading them, extracting them, and copying them into the folder in my pc named "588650" like i was told by a video but they won't appear in-game, I've tried many different full unlocks to make sure it wasn't just the one that i was using wasn't working but none of them work, any tips??