You should deactivate all plugins (except Required Plugins) and then reactivate them one by one. This makes it very easy to isolate the plugin causing problems.
Do you want us to disable plugins on your website? Note that we are not responsible for any issues that may occur after disabling your plugins.
Also, following the tutorial, you need to update the theme to the latest version. https://xtemos.com/docs-topic/update-the-theme/
To assist you more effectively, could you please provide additional details regarding the issues you’re experiencing? Including screenshots and a step-by-step guide to reproduce the problem on your website would greatly aid us in diagnosing and resolving the issue.
We appreciate your cooperation and look forward to assisting you further.
Enter the homepage in icognito, and open it in elementor, you will see there are many elements in elementor that are not dsplaying, like slider, products etc, also on ticket start there arer screenshots