: If you own an older version (e.g., version 7 or 9), discounted upgrade pricing is usually available on the official storefront.

The software offers a fully functional 30-day trial. During this trial, the only limitation is a small nag screen. After 30 days, the software locks down, preventing batch processing and saving edits. This is where the desperation for a "registration code" begins.

. They occasionally offer sales for perpetual licenses—meaning you get future upgrades for free. 3. Lost Your Code?

You can check current license offerings or upgrade options directly through the Official ThumbsPlus Platform or Cerious Software vendor lines. Standard single-user licenses, professional editions, and multi-user home network licenses are historically tied to perpetual support keys. 2. Enter the Registration Code

: Visit the Cerious Software Store to buy a full license.

Navigate to Help > Register or Help > Enter Registration Code .