Below is a helpful summary covering the key points about save data management for this game, including how to find, install, or update a save file.
: 100% Story/Heroes mode completion with all missions cleared at "S" Rank. Collectibles
Search for: ULJS-00366 SAVEDATA (The Game ID for Kamen Rider: Super Climax Heroes). Look for a file labeled "100% Complete" or "All Characters Unlocked."