PrestaShop 1.6.x. How to remove PrestaShop branding from store emails and Facebook page

1. In your PrestaShop admin panel go to Localization -> Translations section: 
2. In Modify Translations section for Type of Translations option select Email Templates Translations, select your theme, select the language and click ‘Modify’ on the right: 
3. You will see the Core Emails section you can edit all email templates in. Click ‘Core Emails’ to open and select ‘order_conf’ from the list in order to edit the Order Confirmation Email: 
4. Click ‘Edit HTML version’ to edit or delete the Prestashop branding. Click Save button on the right of the page: 
5. You can edit the Newsletter Email in the Module Emails section at the bottom of the page.
6. To edit the Newsletter Email, click the blocknewsletter item and select newsletter_conf from the list: 

Remove the Prestashop branding from the Facebook page

1. Go to Preferences -> SEO & URLs section: 
2. Select “index” from the list and click the Edit button: 
3. You will see the ‘Shop powered by PrestaShop’ text in the Meta description field which you can edit or remove: 
4. Save the changes.

Hopefully, this tutorial was helpful for you.