HTML Popup is very easy to install and use. No need to any Coding skills. You can directly use this with default template to display the popup. To enhance the power of this popup app in your store, you can -
Basic HTML Editor is inbuilt to change the content easily without knowing the HTML. You can simple copy and paste your own HTML/CSS code also.
If you face any problem, Please contact us, we will setup and help you within 24 hour.