There is no native Windows version. The first Forza Horizon game to launch on PC was Forza Horizon 3 .
The actual game size for Forza Horizon 2 is roughly 35 GB to 40 GB . It is technically impossible to compress a modern 40GB game—which is packed with high-resolution textures and audio—down to 500MB (a 98% reduction) and still have a functioning game. forza horizon 2 highly compressed 500mb portable