How to install save? (Batman: Arkham Knight)

Good afternoon, evening (I XS th you in time). Recently completed Batman Arkham Knight, but the story and playing such says: I see you do nothing, so let's p*zduy to perform effects and see another ending(Protocol, the Fall of the Knight). So I looked th there should be, and there again it is necessary 243 puzzles Ridler to find(solve). And odd to me so broke to do it and decided to find a save before the battle with the Riddler. Save found, Bazaar there, but as with**and install these f***s save on Epic Store version? Please help. Can anyone have for Epic'a save game. And this help, without spoilers. Thanks in advance!