Enable ‘Quanity’ label in woocommerce

add_action( 'woocommerce_before_add_to_cart_quantity', 'bbloomer_echo_qty_front_add_cart' );

function bbloomer_echo_qty_front_add_cart() {

    global $product;

    if ( $product->get_min_purchase_quantity() == $product->get_max_purchase_quantity() ) return;

    echo '<div class="qty">Quantity: </div>';

}