Enabling 'Reviews' for all products at once

To enable "Reviews" for all products at once:

1. Log in your administrator panel and click on the Manage products link in the CATALOG side box.
2. Select Full list in the Range select box near the pagination.
3. Select all products by clicking on the check box near the CODE title at the top of the product list.
4. Click on the Unselect all link in the Select fields to edit section at the bottom.
5. Select the Reviews check box in this new section and click on the Modify selected button.
6. Click on the Apply values to all selected products›› link. A new small section will be displayed.
7. Select the Reviews check box and select Communication (Rating or All) in the select box near to it.
8. Click on the Apply button. The selected value will be applied to all the products.