Most codes found in these text files were used a decade ago. If you are trying to use them on an actual console, they will likely return an "Already Redeemed" error.
While the hunt for the registration code is born out of a desire to play a classic game, there are several hurdles you might encounter:
What is the "Registration Code Fight Night Champion.txt" File?
Originally, Fight Night Champion required an EA Online Pass or a unique registration code to access certain features (like Full Spectrum Punching control or online play).
If you want to step back into the ring with Andre Bishop, your best bet is to stick to official backward compatibility or verified emulator patches rather than risking your PC's health on decade-old text files.
However, this is a double-edged sword. Malicious actors know that users are looking for a "1.07 KB registration code," so they often name malware files identically to trick people into downloading them. Common Issues and Risks