To use the software indefinitely, a valid serial number or product activation key is required during or immediately after installation. Critical Update on Activation

A powerful, open-source, text-based tool. It runs from a bootable USB drive and is completely free, making it ideal for sector-by-sector cloning without operating system interference.

The hardware requirements for Norton Ghost 15 are also quite modest:

Clonezilla is a bare-metal backup and recovery tool that runs completely outside the operating system via a bootable USB drive.

: Standard BIOS/MBR partition schemes only (Does not natively support modern UEFI/GPT). RAM : 512 MB minimum. How to Install Norton Ghost 15.0

Because Norton Ghost 15 is discontinued, it faces significant challenges on modern computers. After considering the risks of using unsupported software, you may decide to explore alternatives.

If the lack of activation support or compatibility hurdles with Windows 10/11 make Norton Ghost 15.0 too difficult to use, consider migrating to modern, actively supported backup tools. Many of these offer free tiers that outperform legacy software:

Legacy software lacks defenses against modern exploits, making your backup archives vulnerable to targeted encryption by ransomware. Top Modern Alternatives to Norton Ghost

Once activation and updates are complete, the dialog appears to guide you through creating your first backup:

Despite being discontinued in 2013, Norton Ghost is still sought after for three reasons:

Once installed, the program will run in a temporary trial mode. To ensure permanent functionality, you must activate the software with your official license string. Where to Find Your Genuine Product Key

If you have a legitimate copy but lack internet access, was once available. Users would call Symantec, enter a 49-digit installation ID, and receive a 34-character activation key in return. This service is no longer active, as Symantec has decommissioned its legacy phone activation systems.

Once the installation completes, the wizard will prompt you to restart your computer. A system reboot is mandatory because Norton Ghost installs low-level storage drivers to capture live disk images. Addressing the Activation Key Process