| Term | Meaning | |------|---------| | | Paid version with advanced features (e.g., file verification, queue management, FTP/SFTP support, integration with file managers). | | 3.17 | A legacy version from around 2020–2021. The current version as of 2026 is significantly newer (e.g., 3.9+). | | Lifetime license | A one-time purchase that never expires, as opposed to a subscription. TeraCopy’s official model offers lifetime licenses for major versions (v3.x). | | License key | A unique alphanumeric code that unlocks Pro features. |