1 . To copy the folder with the module in the modules folder.
2 . To install through admin panel of your shop (Front Office tab).
3 . Activation in product.tpl file of your theme:
This module works with product.tpl file of your theme. To display tooltips in product page you need to find this text line:
in your product.tpl file (Your shop/themes/Your theme/product.tpl). Usually in the 477th line (different positions for different prestashop themes).
And change it to this view:
Do not forget to clear cache.
You can change your product.tpl file automatically. But it can fail depending on your theme. Clicking the activate button the system will try to make a backup copy of your file "product.tpl" of the active theme and will add the required code. The old file will be named "product-ftr.tpl.bak" and will be located in your theme folder.
The module is ready to work. And don't forget to clear cache.