If you already bought the plugin, this is no pre-sale question.
Questions for commercial products just will be answered in their support forums.
As customer from the Plugin-Store from WoltLab, you have to use the Plugin-Store License Activation to activate yourself and to get access to the support forum of the product.
For screenshots, please use the internal attachment feature so that they will be saved forever and that they aren't addicted to any third party filehoster. Thanks!