PrestaShop will automatically check your theme's folder first before loading the default module template. 5. Best Practices and Limitations
This is where come into play.
You can similarly override front-office or admin controllers to change how data is processed or displayed. prestashop module override
The override class name must be unique. The standard convention is: if possible. However
For template overrides, you don’t need PHP. Simply copy the .tpl file from the module to your theme: due to PrestaShop’s autoloader
But PrestaShop also supports dynamic loading. The safest approach is to without renaming it, if possible. However, due to PrestaShop’s autoloader, renaming with Override suffix is the most reliable method.