If you have a valid OriginPro 8 or earlier license, contact OriginLab sales. They often offer discounted upgrades, though version 9 may be considered legacy.
OriginLab offers a fully functional 21-day trial of the latest OriginPro version. If you specifically need version 9 for legacy project compatibility, you can install the trial of newer versions — they open OriginPro 9 files without issue. Origin Pro 9 License Key
If you purchased a license but lost the key: If you have a valid OriginPro 8 or
OriginLab no longer sells new licenses for version 9 (current versions are OriginPro 2024 and 2025). However, you can still activate existing licenses or find legal alternatives. Origin Pro 9 License Key