Aside from the legal and ethical issues, these tools are notoriously dangerous. For a game as old as Shift 2 Unleashed , many of these downloads are wrapped in malware, ransomware, or trojans that can infect your PC. The risk to your personal data and PC security is simply not worth saving $10 or $15 on a legitimate key.
: This is the official method. You must contact an EA Advisor to have them manually reset your activation limit. De-authorization Tool serial number nfs shift 2 unleashed fix
Fix for "CD Key already registered" at EA Nation - Steam Community Aside from the legal and ethical issues, these
: Use the "De-authorize this license" option to free up a slot, then restart and re-enter your key. then restart and re-enter your key.