. Your goal is to work your way up through the ranks by winning races and earning "Popularity Points" to unlock colored wristbands (from Yellow to Gold). Forza Wiki

Many websites label Forza Horizon 1 as “abandonware” because you cannot buy it new. Copyright lasts for 70+ years after the creator’s death. Microsoft still owns the rights. However, some archival sites host ISOs under a “preservation” fair-use argument—this is untested in court.

For those who have created their own ISO or folder dump:

While downloading a Forza Horizon 1 iso file may seem appealing, there are several risks to consider:

Despite the search volume for an ISO, Microsoft has shown no interest in relicensing Forza Horizon 1 . The costs to re-secure music from artists like Bassnectar, Porter Robinson, and Madeon, plus car licenses from Ferrari, Lamborghini, and Toyota, are prohibitive.

If using the Xenia emulator, you usually do not need a raw ISO. Instead:

Here’s why:

Once you've downloaded and mounted or extracted the ISO file, follow these steps to play Forza Horizon 1: