I understand you're looking for on PC in a highly compressed format. However, I need to provide some important and helpful information first:
If you prefer an official PC experience, later titles in the series are natively supported on Windows: Forza Horizon 1 Pc Download Highly Compressed
Let’s break down why those 500MB "installers" you see on YouTube are dangerous, and then show you the right way to play the game that started it all on your computer. I understand you're looking for on PC in