Log into your account, then go to the All My Downloads page:
http://www.webassist.com/account/downloads.php
This page will have links to downloads the extensions you have purchased.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.