Hello,
Disable creating an account on the checkout page, navigate to WooCommerce > Settings > Accounts & Privacy > Uncheck the option “Allow customers to create an account during checkout.
To hide the ship to a different address, navigate to WooCommerce -> Settings -> Shipping and click the Shipping Options tab.
Select the option Force shipping to the customer’s billing address. https://ibb.co/hxkkBsyw
To remove the order notes, Navigate to Theme Settings > Custom CSS > Global CSS.
body .woocommerce-additional-fields {
display: none !important;
}
Best Regards,