In your WordPress dashboard, go to Appearance > Themes > Add New > Upload Theme and select the .zip file.

The file refers to version 6.6.1 of the Porto WordPress theme, a popular multipurpose and eCommerce-focused theme. Key Features of Porto 6.6.1

To use this file, you must have a working WordPress installation.

Fully compatible with Elementor , WPBakery , and Gutenberg .

Specifically designed for online stores with features like custom product layouts, frequently bought together elements, and AJAX navigation.