If you paid to remove the vbSEO copyright all you have to do is make an edit to the functions_vbseo.php located, vbseo/includes/functions_vbseo.php
Find:
Replace:
You can make the edits using your FTP client then saving the file, or make edits and then re-upload the file.
Find:
PHP:
global $VBSEO_REWRITE_TEXTURLS;
if(!$VBSEO_REWRITE_TEXTURLS)
$VBSEO_SHOW_COPYRIGHT = (
Replace:
PHP:
global $VBSEO_REWRITE_TEXTURLS;
if(!$VBSEO_REWRITE_TEXTURLS)
$VBSEO_BRANDING_FREE = (
You can make the edits using your FTP client then saving the file, or make edits and then re-upload the file.