To enable updates, make sure to save your purchase license key in Infusionsoft Integration Settings. You can see this setting by navigating to Woocommerce → Settings → Integration → Infusionsoft. You should have received your license key via email right after you have purchased InfusedWoo. If you can't locate your license keys, simply go to woo.infusedaddons.com site and go to Download Tab → Click "Already Purchased InfusedWoo?" and a form will appear so that you can request your license key to be sent via email.