1.Downloading the module from Prestashop Addon Store 

2. Uploading the module from your computer

Downloading the module from Prestashop Addon Store 

Follow these steps: 

     Step 1.  Unzip (decompress) the module archive file

     Step 2.  Using your FTP software

     Step 3. Place the folder in your PrestaShop /modules folder

     Step 4.. Connect to the BackOffice of your shop

     Step 5. Go to Back Office >> Modules.

     Step 6. Locate the new module in the list, scrolling down if necessary.

     Step 7. In the row for the new module, click Install.

     Step 8. Locate the module again. If necessary, click >> Configure.

     Step 9. Once configuration is complete, be sure to test the module immediately to confirm that it                            functions as planned.

Uploading the module from your computer

     Step 1. Log into Prestashop Back office and select Module manager 

     Step 2. Select Upload a module 

     Step 3. Press Select file 

     Step 4. Upload your Zipped folder and install