The standard directory for users is: C:\Program Files (x86)\Steam\userdata\[Your Steam ID]\287290\remote Installation Tips
: All medals collected across all episodes and all gallery movies/costumes unlocked. Save File Location
As a rule, I cannot link to direct download sites, but I can guide your search. Use the following keywords on legitimate gaming forums:
Raid Mode is incredibly fun but requires immense time to level up every character. A save file lets you experiment with end-game builds immediately.