WP-Script Theme RetroTube 1.6.9 Untounched

No permission to download
checked .it is old version theme .write clear untouched .and you can removed
inc/init.php
PHP:
if ( WPSCORE()->get_product_status( 'RTT' ) !== 'connected' ) {
    $message = __( 'Please purchase a RetroTube plan - https://www.wp-script.com/adult-wordpress-themes/retrotube/', 'wpst' );
    wpst_display_error_page( $message );
}
for frontend tip.
 
It kinda worked, but still wp-script activation failed, which means i cant use the plugins, it only removed the message from frontent, please help, appreciate you!