%SystemDrive%\Users\Public\Documents\Steam\CODEX\1551360\remote
If changing the Steam ID in the configuration file does not work, you can use a third-party tool like the or XLiveSaveSigner to re-sign the save file. Download a trusted Forza Horizon 5 Save Editor/Converter. Load the downloaded 100% save file into the tool. Input your original Codex Steam ID into the target field. Click Convert or Resign . forza horizon 5 codex save game 100 fixed
Copy the entire 1551360 folder to a safe location (e.g., your Desktop). forza horizon 5 codex save game 100 fixed
Paste the downloaded 100% save files directly into this folder. Troubleshooting Common Errors 1. "Invalid Profile" or "Save Game Corrupted" Error forza horizon 5 codex save game 100 fixed
[Download Save File] ──> [Extract .ZIP] ──> [Copy Profiles Files] ──> [Paste & Replace in Remote Folder] 1. Backup Existing Progress