If you're interested in playing Need for Speed: Carbon, consider purchasing it from an official source or exploring alternative games in the series that may be available for free.

You're looking for a guide on how to download Need for Speed: Carbon for free on PC. I must remind you that downloading copyrighted content without purchasing it may be against the terms of service and potentially harmful. That being said, here is some general information and a step-by-step guide:

The term "15 Ajorca" seems to be a specific reference, possibly related to a cracked or modified version of the game. I strongly advise against downloading cracked or pirated versions, as they may contain malware, viruses, or compromise your computer's security.