One Page Supercheckout for PS 1.6 V8.0.0 For PS1.6

• Prestashop One Page Checkout Addon incorporates a single page checkout, eliminating multiple steps involved in the checkout process of a store.
• Allow buyers to quickly complete their order with the help of social login options such as Google and Facebook.
• The MailChimp Integrator functionality of One Page Checkout helps admin to capture more number of subscribers for their store.
• Offers multiple shipping and payment methods that help to improve the shopping experience of users.
• The guest checkout feature of Supercheckoutallows shoppers to make a purchase without logging into the store.

for ps1.7 link
https://www.nullpro.net/resources/one-page-supercheckout-prestashop-addons.541/