Custom redirect After Registering

add_action( 'register_form', 'hiddern_redirect_url' );
function hiddern_redirect_url() {
    ?>
    <input type="hidden" name="redir_post_register" value="<?php echo get_site_url(); ?>/welcome" />
<?php
}

add_filter ( 'woocommerce_registration_redirect', 'redirect_post_registration');
function redirect_post_registration( $redirect ) {

    if ( $_POST['redir_post_register'] ) {
        $redirect = $_POST['redir_post_register'];
    }

Add the above code to functions.php and create a page welcome for redirected page

https://www.ads-software.com/plugins/woocommerce/