I see on some review sites The Bat and Voyager toolbars looking quite good, for example here:

https://windows-cdn.softpedia.com/screenshots/Windows-Portable-Applications-The-Bat-Voyager_1.png

But my Bat toolbar looks really ugly like 1995. How to change the icons to the nicer ones?

Here is my toolbar:

https://ibb.co/vqRDm1y