How to change the URL settings in PrestaShop 1.5 and newer versions

Step 1: Log in to PrestaShop as the administrator.

Step 2: On the top menu bar, click Preferences, and then click SEO & URLs.

Step 3: Scroll down to the Set shop URL section.

Step 4: In the Shop domain text box, type the new domain name that you want PrestaShop to use.

Step 5: In the SSL domain text box, type the new domain name that you want PrestaShop to use.

Step 6: In the Base URI text box, type the base URI.