How to Find My Saves
So the one and only save is located here:
The AppData will be hidden so make sure you enable show hidden folders in folder options.
There should be a folder named Options and a File. That file is your save, it’s overwritten every time the game saves. In the top right corner you will see a set of gears when it’s saving. It will only save after you load to a new area and/or only after you advance the story in any way.