To get a free trial of the BigCommerce Integration for MYOB please register your company online filling up the following form:
http://www.innoventsoftware.com.au/MYOBAddOns/BigCommerceIntegrationforMYOB.aspx

Make sure you include all fields, especially the Serial Number of your MYOB file. We need this information so that we can issue your license.

Also include your email address so that we can send you a pricing information and instructions on how to download and install the application and get you started.