Prestshop is one of the domain-dependent applications, which only work with a specific domain name. If you are planning on changing the main domain of your Prestashop online store there are certain things you have to reconfigure. There are two ways of managing these settings depending on whether or not you have access to your Prestashop administration panel.
If you haven’t moved your installation to a new folder or changed the domain for where your online store is located, that means that you still have access to your Prestashop back-end and can quickly and easily change your Site Domain from there:
If you have already moved the website or changed the domain however, you won’t be able to access your Prestashop admin panel. That means that you should change the PS_SHOP_DOMAIN and PS_SHOP_DOMAIN_SSL options in your Prestashop database. To do that follow these quick and easy steps:
*Note: The Prestashop installation must be located into a folder which corresponds to the same domain listed in the Set Shop URL fields or the shop’s database records in order for it work properly.