The original FIFA Manager 13 Save Editor (often version 1.3.2.0 or similar) was released for free by community developers years ago. You can still find clean copies on fan forums (e.g., FIFA Manager 13 Forum, FMSlife) – though EA no longer supports the game, these fan tools are generally tolerated as they require a legit game copy.
: This is the official database editor located within your game's installation directory. To use it effectively with a repack, ensure you run it as an administrator to allow it to overwrite the database files correctly. fifa manager 13 save editor repack