After the trial expires, you can continue using a limited version that supports a single DNS server and up to two rules. Troubleshooting "Key Not Working" If your key is not being accepted, ensure the following: Version Compatibility:

: When running YogaDNS as a Windows service, the license key must be registered system-wide rather than under a specific user account. The ServiceManager tool should handle this correctly in recent versions.

Covers up to 5 computers within one household for non-commercial use. Basic Version (Free):

The process of making the license key work is straightforward: