Icemann

Editing or Removing Xenforo Footer Copyright in in Xenforo 2
 
Go to /src/ folder and open the file XF.php file with notepad ++ and click Ctrl+F then find below code

Code:

return '<span class="u-concealed" dir="ltr">Forum software by XenForo™ <span class="copyright">©2010-2017 XenForo Ltd.</span></span>';
 
If you want to remove this code, you can remove above code and save it.

and you can change the line / code to add your website link.