Check how to download new GeoLite2-city file that is required for prestashop's geolocation tools.

If you are looking for a guide about exporting customer accounts (that were created with Facebook Login) - check this step by step tutorial.

If you migrated customers and if passwords of old accounts do not work - read it. You will find solution for this problem.

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