A "No-CD crack" (or "Fixed EXE") is a legally gray, technically invaluable file. It is the original game executable, but with one specific function removed: the call that checks for the presence of the original disc.

The year was 2002, and the blue glow of a CRT monitor was the only light in Marcus’s bedroom. On his desk sat a jewel case for Return to Castle Wolfenstein

Yes, digital versions often come pre-cracked (DRM-free). However, many veteran players and modders stick to the original CD version because:

Apply the official v1.41 patch (required for compatibility).

COPY the new "Wolfenstein_NoCD.exe" into the game folder. Then, rename it to "Wolfenstein.exe".