UE4 Configurator Template Customization

Hey Everyone,
I am very new to this, I am a 3d generalist and its my first time trying this :slight_smile:
I am trying the configurator template came with ue4, and was wondering how to change or customize the look of the standard interface , I mean the white circles for the in-app interactions. and if I want to get a text hovering above each circle.
many thanks for your time, I really appreciate your advice.