WooCommerce Setup Wizard - Adding/Removing Setup Wizard steps.

modifying-setup-wizard.php

<?php

/**
 * This is simple demo showing how to add and remove steps for the WooCommerce Setup Wizard
 */

/**
 * Add new steps to the setup wizard.
 * To insert new steps in the middle use array_slice
 *
 * @param array $steps - wizard steps info
 *                   'step_slug' => array (
 *                       'name'    => 'The Step Title',
 *                       'view'    => 'render_callback',
 *                       'handler' => 'save_callback'
 *                   )
 * @return array - modified $steps
 */
function add_new_step( $steps ) {

	// Remove default intro and "Next Steps" screen.
	unset( $steps['introduction'] );
	unset( $steps['next_steps'] );

	$new_intro_steps = array(
		'new_intro' => array(
			'name' => 'My New Intro',
			'view' => 'render_new_intro',
			'handler' => ''
		),
		'new_step' => array(
			'name'    => 'My New Step',
			'view'    => 'render_new_step',
			'handler' => 'save_new_step',
		),
	);

	$new_end_step = array(
		'end_step' => array(
			'name'    => 'New Recap',
			'view'    => 'render_end_step',
			'handler' => ''
		)
	);

	return $new_intro_steps + $steps + $new_end_step;
}
add_filter( 'woocommerce_setup_wizard_steps', 'add_new_step' );

/**
 * Render a new intro screen. The first screen in the wizard is an intro screen that doesn't
 * show up in the steps progress bar at the top.
 *
 * @param WC_Admin_Setup_Wizard $setup_wizard
 */
function render_new_intro( $setup_wizard ) {
	?>
	<h1>Welcome to this new intro!</h1>
	<p class="wc-setup-actions step">
		<a href="<?php echo esc_url( $setup_wizard->get_next_step_link() ) ?>" class="button-primary button button-large button-next">Get Started</a>
	</p>
	<?php
}

/**
 * Render a generic form step.
 *
 * @param WC_Admin_Setup_Wizard $setup_wizard
 */
function render_new_step( $setup_wizard ) {
	?>
	<h1>My New Step</h1>
	<form method="post">
		<p>Fill out this form.</p>
		<table class="form-table" cellspacing="0">
			<tbody>
				<tr>
					<td>Input</td>
					<td><input type="text" name="new_step_input" value="" /></td>
				</tr>
			</tbody>
		</table>

		<p class="wc-setup-actions step">
			<input type="submit" class="button-primary button button-large button-next" value="Continue" name="save_step" />
			<a href="<?php echo esc_url( $setup_wizard->get_next_step_link() ); ?>" class="button button-large button-next">Skip</a>
			<?php wp_nonce_field( 'wc-setup' ); ?>
		</p>
	</form>
	<?php
}

/**
 * Save the generic form step.
 *
 * @param WC_Admin_Setup_Wizard $setup_wizard
 */
function save_new_step( $setup_wizard ) {
	check_admin_referer( 'wc-setup' );
	$response = esc_attr( $_POST['new_step_input'] );
	update_option( 'new_step_response', $response );
	wp_redirect( esc_url_raw( $setup_wizard->get_next_step_link() ) );
	exit;
}

/**
 * Render a new end step.
 *
 * @param WC_Admin_Setup_Wizard $setup_wizard
 */
function render_end_step( $setup_wizard ) {
	?>
	<h1>All Done!</h1>
	<p><a href="<?php echo esc_url( $setup_wizard->get_next_step_link( 'new_intro' ) ); ?>">Back to the first step.</a><p>
	<p><a href="<?php echo esc_url( $setup_wizard->get_next_step_link() ); ?>">To Dashboard.</a></p>
	<?php
}