I purchased the personal license of one of your Wordpress plugins and now I want to upgrade to the developer's license

Here's how to do this:

1) Find the price you paid for the personal license of the Wordpress plugin

2) Find the current price for the developer's license

3) Send the difference via Paypal to george.katsoudas.payments[at]gmail.com (replace [at] with the @ symbol)

4) Open a support ticket and mention the name of the plugin you are trying to upgrade, as well as your Paypal transaction ID.

We will send you the developer's license ASAP :-)