If you are looking for your specific code or need to activate the software, follow the official procedures based on how you obtained the program: Where to Find Your Activation Code Retail Box:
Because Cubase 7 is over a decade old, licenses are sold very cheaply on the second-hand market. Unlike a "code list," a second-hand license works .
Do you have a , or are you trying to activate a software-only (Soft-eLicenser) version?
If you have an unredeemed code from a hardware bundle, contact Steinberg Support directly. They may provide a modern license for a newer version of Cubase.