Onyx 1.x/2.x to 3.x upgrades
Onyx 3 is the first version in ten years that is not a free upgrade. Serial numbers for Onyx 1.x, 2.0, or 2.5 will not work with Onyx 3. Registered users of previous Onyx versions can upgrade their registrations to Onyx 3 for a very low price.
Upgrades from Onyx 1.x, Onyx 2.0, or Onyx 2.5 registration to Onyx 3.x are available at a reduced price. You can upgrade your old registration here. The upgrade from Onyx 1.x/Onyx 2.x to Onyx 3 is ten dollars.
If you have registered Onyx 3, the upgrade to Onyx 3.5 is free. You can use your Onyx 3 serial number for Onyx 3.5.