7. Licensing

Hydrostatics Calculator License is issued on a per-person basis. A Trial License is time-limited (7 days), and can be tried on any computer, while the Full License is tied to the hardware configuration of a specific computer to prevent misuse. In case you update your hardware, and your copy of Hydrostatics Calculator stops working, please contact us at This email address is being protected from spambots. You need JavaScript enabled to view it. with your name and the newly-generated Hardware Key (it will be displayed in the Authetication window) to receive a new Activation Key for no additional cost. Please use the same e-mail that you used when buying your license, so it's easier for us to confirm your identity. Also, please note that you can only use Hydrostatics Calculator on one machine at a time.

Your license entitles you to a copy of the current version of Hydrostatics Calculator, as well as any future versions, updates and bug fixes with no additional cost. You may not, however, transfer your license to a different person or a machine you do not own, or distribute/re-sell your license to a third party.