Forza Horizon 5 saves for the Microsoft Store version are managed through the Xbox Cloud. Because these files are tied to a specific Xbox User ID (XUID), you cannot simply download a save from the internet and drop it into your game folder; doing so requires third-party tools to decrypt the save, inject your specific ID, and re-encrypt it. The Risks of Save Swapping
Official Resources
Re-encrypt: Use the tool to re-encrypt the file so the Xbox app can read it. forza horizon 5 100 save game microsoft store link
To use a 100% save, you first need to locate your existing data for backup. On the Microsoft Store/Xbox App version, the path is typically: Forza Horizon 5 saves for the Microsoft Store
010 Editor: A hex editor used to manually find and replace the XUID within the decrypted file. To use a 100% save, you first need