➤ Here you can find the instructions on how to activate the new Magento theme.
1. Open Magento admin panel and navigate to the Content > Configuration menu.
2. In the list of stores click edit in the “Action” column against the Global-Main Website.
3. In the Default Theme section select the required theme (Zemez or TemplateMonster) in the Applied Theme option drop-down list and, then click Save Configuration button.