How To Make HUD Texture to fit the screen resolution permenantly?

hey guys im really new to game development and i got stuck with frustrating attemps to make my Hud Texture Strech to fit the entire screen no matter what the resolution is applied, the hud is currently showing up but when i change the resolution in unreal engine the HUD Texture just stands there in the same size and not scaling along the resolution…
i will be happy if somebody can give me any suggestions what to do :slight_smile:

here are some images to describe my problem: