Need help with setting up new game and save game and load game

I need to find a way to set up my levels as chapters like in resident 6 we’re there is grading at the end to. And I would like to set up save station we’re the player van save everything at booth, box, etc and even load the game form we’re they left off at from the Main menu and I need help also setting up the press start widget to the main menu widget. links and comments are welcome along with any other advice so far I just have a working main menu I’m using ue4 4.19