Search missing in Demo and Theme?

Hi, I was just rechecking the demo link (https://catchthemes.com/demo/clean-education/) of the theme and was unable to find the possibility to search the page / blog posts. Is the search-possibility / search box disabled by default or maybe not even part of the theme? I am a little confused because the theme instructions say you can change the search options, but there seems to be no search at all. Would you please be so kind and tell me if there is a search option (field) enabled by default or if it would be complicated to enable it? The theme would be kind of useless for me if the possibility to search things would not be easily accessible for my visitors. Thanks in advance! Gustavson