You may lose access to the Autolog system and DLC content like the Legends or Speedhunters packs. Playing on Modern Hardware
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If you do grab a legitimate copy, you might need a few tweaks to make it run smoothly today: You may lose access to the Autolog system
You may need a wrapper like DS4Windows or X360CE to get modern wheels and controllers recognized. Need For Speed Shift 2 Unleashed Free PC Download