In this guide you can read how to create siteKey and secretKey that are required for reCaptcha feature.

In this guide you will get an step-by-step guide related to StopForumSpam service API key that is required for module that blocks customer register form spam.

Maxmind discountinued old GeoLiteCity.dat database, and their new project no longer works in old prestashop 1.6.x. In this case you need to use geolocation file with old structure. Download it here.

In this guide you can read how to create Amazon APP that will be a kind of bridge between your prestashop and amazon. Thanks to this "amazon login" module will work properly.