You can purchase your Canonical Linker licence direct from this site today. Payment is through PayPal, which means no confidential financial information (credit card, billing address, etc) is shared with or stored on this site. You don't need a PayPal account to purchase, you can use any accepted credit card.
Here's the process:
1) Choose which licence type you'd like to purchase in the selection below
2) Click on the 'Buy Now' button, which will transfer you to the PayPal website
3) After paying through PayPal, return to this site and proceed to the the Licensing page to request your licence. You'll need your PayPal transaction id, so keep a copy of your PayPal notification email.
4) If you haven't already done so, download the software and instructions from the product page.
5) When you receive your licence, upload it into the product.