You have found a place to connect to Octonus for Downloads of their superb diamond design, mapping, cutting, grading and selling software. http://www.octonus.ru/oct/download/
Order the required HaspKey which licenses your Octonus DiamCalc product at:
The HaspKey, a thumb drive license unit, is what we will send you once your order or upgrade has been approved by Octonus. The software is a downloaded from Octonus.com.
All USA addressed shipments from David Atlas will be by Priority First Class Mail with Insurance for loss of the HaspKey. FedEx or USPS Express Mail may also be requested at an additional cost. All 50 US States included.