Create 2 new folders, one for save backups, the other for the new version. Download the new version and save it to the designated folder. BEFORE launching the new version, go to (C:)/Users/(YourUsername)/AppData/Local/VotV/Saved (assuming you're on Windows) and copypaste the "SaveGames" folder to your backups folder, just incase you ever want to revisit the previous versions. At least, that's how I do it.