The Affiliates manager plugin can be integrated with the MemberPress plugin so you can reward affiliates for sending visitors to your store/site.
Step 1 (Install the Integration Addon Plugin)
Install the MemberPress Integration addon.
Step 2 (Keep the Main Plugins Active)
Simply keep both the Affiliates Manager and the MemberPress plugins active on your WordPress site.
When you receive orders in the MemberPress plugin, the affiliate plugin will award commission to the appropriate affiliate (if the customer was referred by an affiliate).