如何将标准版的license升级到专业版/企业版license

The price of standard license is $XX, while the price of professional/enterprise license is $XX.
You can update to professional/enterprise license just by paying the price difference between the 2 licenses, which is $XX.

For payment, you can buy corresponding hours service from this page:
http://www.dnngo.net/DNNStore/ ... .aspx
Or you can just pay to our paypal account which is dnnskindev@gmail.com

Please let us know once it done, then we will upgrade the license for you.

Please let us know if you have any question.