What you are running (1080p, 4K, or Ultrawide)? If you use a keyboard and mouse or a controller ?
Download the mod archive from a trusted repository like Nexus Mods using your preferred manager (Mod Organizer 2 or Vortex). Install the mod through the manager. EZ2C Dialogue Menu
: Fixes the notorious vanilla bug where your mouse cursor selects a different dialogue line than the one highlighted by your keyboard. What you are running (1080p, 4K, or Ultrawide)