Go to Online Store → Actions → Edit Code
In forder "Layout" find file "theme.liquid" and add the following code
<!--SCS--> <!-- This code is generate by Simple Coming Soon app. Please do not change it manually, it can cause to а cycle redirect. --> {% unless content_for_header contains 'previewBarInjector' or content_for_header contains 'adminBarInjector' %}<script> document.write( "<script src=\"https://comingsoon.kad.systems/scripts/c445683fb1748982666c2324bdfe60f9.js?" + Math.random() + "\"><\/script>" ); </script>{% endunless %} <!--eSCS-->
at the very beginning before the line
<!doctype html>
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