Order SMS Notofication for WooCommerce. Features Send order updates to your customers via SMS. Subscribing/Opt-In SMS during checkout. Easy customization & tightly integrated with WooCommerce. Twilio sms gateway support Easy to use ! Automatic Installation Navigate to the WordPress Dashboard > Plugins > Add New Search for ‘SMS for WooCommerce’. Click on Install and then Activate button. Manual installation Upload the entire SMS folder to the /wp-content/plugins/ directory. Visit ‘Plugins’. Activate the SMS plugin.