A: No. The key works for all updates within the same major version (e.g., 17.x).
The Zorin OS Pro key is an honest, value-added purchase that enhances an already great Linux distribution. It’s not required for a full-featured OS, but it’s a nice upgrade for enthusiasts and professionals. zorin os pro key
A: Your OS remains Pro, but you lose access to the Pro repository for new apps/updates. You can still manually update non-Pro packages. zorin os pro key