Here is described instructions of going CMS SmartEngine to mod_rewrite
1. Change content of the .htaccess in the root folder to:
RewriteEngine on
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ index.php?%{QUERY_STRING}
4. Before line
// LANGUAGE SET
add text
// GET QUERY EXCEPTION
if($get_pos = strpos($path_info, "?")) $path_info = substr($path_info, 0, $get_pos);
$this->model->query = $this->query = split("/", $path_info); 5. Save changes and check the site