Since the game is no longer sold digitally, the only official way to play the full version is to purchase a :
You can no longer buy a digital version from official retailers like Steam or the EA App . need-for-speed-carbon-free-download-pc-game-full-version
Sites like OZON or Yandex Market may have remaining stock or used copies available. Abandonware Status Since the game is no longer sold digitally,
Official online servers were shut down on September 1, 2021. need-for-speed-carbon-free-download-pc-game-full-version
You can find used or new physical PC discs on eBay , often priced between $10 and $35 depending on condition.