Click and navigate to your save file. The REPACK will automatically decrypt it. You should see a dashboard populated with your current stats: Credits, Level, Car Count.
that supports both FH4 and FH5. It is widely considered one of the most feature-rich options for managing car lists and profile stats. Horizon (Xbox 360 Legacy) Forza Horizon 4 Save Game Editor REPACK
Disable your antivirus temporarily (false positives are common due to the editor's memory patching nature). Launch the FH4_Editor_REPACK.exe as Administrator. Click and navigate to your save file
: If using a pre-made "100% Save," copy the new files into the Forza Horizon 4 Save Game Editor REPACK