This page is only available when you enabling the multistore feature.
Turning your single-shop PrestaShop installation into a multi-shop one is very simple:
- Go to the "Preferences" menu and select the "General" page.
- Find the "Enable multistore" option, select "Yes".
- Save your changes.
The "Advanced Parameters" menu will now feature the "Multistore" page, which is presented in details in the "Managing multiple shops" chapter of this guide.