Forza Horizon 2 was never officially released for PC. It was developed exclusively for Xbox One and Xbox 360. While you may see many links online for "verified downloads" or "highly compressed" versions for PC, these are not official products from Microsoft or Playground Games.
Because there is no native PC port, any "PC version" you find is typically one of the following: Reddit·r/ForzaHorizon How to Download forza horizon 2 for pc ?? : r/ForzaHorizon Forza Horizon 2 was never officially released for PC
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