During installation from the original 3-CD set, the setup wizard would halt and prompt: “Please enter your CD Key.” Without this key, the installation could not proceed. This was Sierra’s implementation of SafeDisc or SecuROM—early forms of copy protection designed to prevent casual piracy.
during installation, or are you trying to activate a physical disc on a modern launcher? AI responses may include mistakes. Learn more Locating your CD key in Steam | Ubisoft Help Swat 3 Cd Key