Xenforo 2.1.8 брендинг / авторское право

[A7U]

Hey, does anyone know how to remove branding / copyright from Xenforo 2.1.8?

 

[Dark Angell]

Branding Removal $300.00This allows you to remove the visible XenForo copyright notice from all pages.
this is from the developers of the forum itself

 

[A7U]

I don't want to pay. I'm asking for a method...