Product search header bar is automatically enabled when WooCommerce is activated. No other actions required.
To add items (texts, links, banner, etc…) under the search bar, visit this documentation
PRO Version
This information covers only Envo eCommerce PRO features. Product Details - DemoTo disable the header search bar or edit colors of the header search bar, navigate to Customizer – WooCommerce – Header (Cart, My Account & Search) – Search