You can purchase Vocab Builder Pro using your credit card from eMetrix Inc, (Utah USA) using their secure purchasing web site. Purchases can be made from this site from anywhere in the world. Purchases can be made in $US (USD), € (EUR), £ (GBP), $C (CAD), $A (AUD) and $HK (HKD). If your currency is not listed, you can still purchase from this site, and conversion of the invoice amount to your local currency (including the normal currency conversion fee) will happen when your credit card is charged.
Click on the product(s) you wish to purchase. After you have added a product line to your shopping cart (using the "Update Cart" button), you can return to this page to add more products, by clicking on the "Continue Shopping" button on the next screen.