How to install a module in Prestashop?

Steps to install a Module in Prestashop:-

1. In the modules tab, click on add a new module
2. If a file of the module exists online, specify its URL in the Module URL field and then click on Download this module
3. If the file is on your computer, click on Browse to open the dialogue box letting you search your computer, select the file then validate the dialogue box.
4. Finally click on Upload this module.
5. If the following error message appears:
   
   This means that the PHP extension php_zip is not installed on your server. You will need to install it or have it installed by your web host.
6. If the installation is successful, the following message will appear:
   
   The module will then appear in your list of modules under the Module tab.
7. Click on the install button to install the module.
   
8. If the Configuration note appears in the module insert, click on it to configure it.
   

Source:- https://addons.prestashop.com/en/content/21-how-to