When Ghost 15 was commercially active, the licensing model was standard for the era:
If you absolutely must keep Ghost 15 alive, treat it as a legacy tool for legacy hardware. Otherwise, embrace the present – your future self will thank you during the next system restore. Norton Ghost 15 Licence Key
Which of those would you like?
Even if you obtain a valid licence key, Norton Ghost 15 has known compatibility issues with modern hardware and operating systems: When Ghost 15 was commercially active, the licensing
: Be cautious of websites claiming to offer "free" or "generator" keys for Norton Ghost 15; these are often scams or contain malware. Are you trying to recover a lost key for an old machine, or are you looking for a modern alternative for a new PC? Even if you obtain a valid licence key,
: A highly-rated free alternative for Windows backup and cloning.