Your purchase of iDevAffiliate included 1 year of free upgrades.  To get the latest version of iDevAffiliate login to your client area below.

http://www.idevstore.com/client_area.php

Once logged in, find your order and click "View" then click "View & Download".  If you're within your free upgrade period you'll be able to get the latest version.  If your upgrade period has expired click on the text link: Purchase Upgrade Packages, Addon Modules & Installation.

There you can purchase another 1 year of upgrade service for $89.99.  Once you come back to the site after payment you'll be able to get the latest download again.