Sorry for the delay due to the weekends.
Please note that may use the 1 license for the 1 dev domain and 1 live domain. But keep in mind that you can use our theme license for 1 end product only. Read more – https://themeforest.net/licenses/standard
Provide us with link to site that looks weird so we can take a closer look.
After import demo content, will lose only Theme Options (header settings, main color, typography, custom CSS that you added in the Theme Options). You won’t lose texts, pictures, products or pages.
Feel free to ask if you have any other questions.