Hello, Mariangio,
Thank you for choosing XStore as your WooCommerce WordPress theme.
Please watch this video – https://youtu.be/LgzC4iK-j6A
To enable the Classic Widgets Panel, please navigate to Theme Options > General and set the Enable Classic Widgets Panel option to On.
Then read this article also – https://xstore.helpscoutdocs.com/article/48-widgets-custom-widget-areas
Check available settings in Theme options > WooCommerce > Shop > Shop page Filters.
If you have any additional questions or concerns, please do not hesitate to reach out to us. Our support team is always available to assist you.
Kind Regards,
8theme team