1. Please provide us with a link to your site and FTP credentials.
2. To translate “brand” slug in the link you need edit the file wp-content/themes/legenda/framework/woo.php (line 292), find the code
'rewrite' => array( 'slug' => 'brand' ), and replace “brand” with your translation.
One standard license is valid only for 1 project. Running multiple projects on a single license is a copyright violation.