If you found this file on a blog or third-party site rather than an official store (like Steam or the Microsoft Store), please be cautious:
: The Forza Support Site provides the official "Release Notes" for every version, including 1.522.259.0 , detailing exactly what was changed or fixed. FiИ™ier: Forza.Horizon.5.v1.522.259.0.zip ...
: This update celebrated a decade of the franchise with a new "Horizon Origins" story, Midnight Battles, and the return of fan-favorite music. If you found this file on a blog