itch.io

The download link for the launcher only returns a 404

You don't have to do anything, the game should be able to locate and load your saves automatically, at least on Windows

What puzzled me way more than that is that they've used real photos of German cities as background for events and locations, the college is the Bundeskanzleramt for example and the street you see when first getting to Posia is somewhere in Düsseldorf