Dear all,
This is the guide to install theme of Prestashop 1.6 manual. I can make sure 100% success full
1. Unzip zip file of theme

After you download from where you bought
Please find zip file of theme and unzip it
after unzip you will see 1 file : Config.xml and 2 folder themes + modules
2. Upload themes and module to your hosting

You can use ftp client to upload
Please upload all module in folder modules to modules folder in your site and theme in folder themes in your site
3. Upload Config.xml and rename to theme name

4. Access Preferences > themes and install

P/s: We hope that the tutorial is helpful for you and do not hesitate to share your idea or ask us if you have any question.
About the author
Apollo Theme is the most modern provider of Shopify Template. With 9 years experience, we bring many modern and perfect themes to everyone. With the aim of providing high-quality products for customers, our talented team always tries to work hard and catch up the new trend of technology and design to give you more valued template with a unique combination of new ideas, flexible architecture and easy-to-use product. We are really appreciated it and hope that you enjoy it! Apollo Template want bring the highest customer satisfaction, we have professional supporting team to assist all our buyer. All support will be conducted through our support ticket "https://apollotheme.com/ticket/", send your problems to our email: "apollotheme@gmail.com" or at our facebook with name “Apollo Theme”. We usually get back to you within 24hours. (except holiday seasons which might take longer).