Orginal website : WoltLab
This one is the Professional License on orginal site it looks like this:
from me you can buy it for $100$ in paypal.Quote:
Professional License
Ideal for professional use
In addition to our high-performance software you'll receive extended technical support.
* New version of Burning Board® 3.1
* Contains also access to established version of Burning Board® 3.0
* Free bugfixes
* One year free access to upgrades and Professional-Support**
Only $269.99
You will get a fully readme guide how to install the forum msg here or PM meif u want to buy it.