We guarantee free upgrades for all users during 6-month period after registration or up to the next version if no version is released in 6-month period. Usually we also offer discounts for users of older WIDI versions.
Upgrade policy for WIDI 4.4:
To get upgrade discount, contact support service at email@example.com, providing your old registration code and order number.
For details, please see http://widisoft.com/english/upgrade.html.