This page consists of screenshots from the Licensing Screen in Captcha Bank WordPress Plugin.
This gives an idea about the Activation Process. Premium Edition Users need to activate the license to use Captcha Bank Plugin. You will get Order ID and API Key from the email sent to you after purchasing the product.
You can also see Product Name, Current Version of plugin and your Website Url from this page.
After providing “Order ID” and “API Key” and validating the license, you will be able to access the plugin.