Go to the NCH Software Activation Portal and fill out the registration form with your name, email, and the serial number.

Using cracked software can be extremely hazardous:

Limited to non-commercial use, often restricts certain advanced templates, and frequently prompts users to upgrade.

Once you have your code, follow these steps to activate the full version: NCH Software Registration Support & FAQ

Disketch Disc Label Software by NCH Software is a popular tool for designing and printing CD, DVD, and Blu-ray labels. While you can download a trial version for free, unlocking the full features requires a valid registration code. The Risks of Free Registration Codes Online