The Steam VR How-Tos contain step-by-step guides that will walk you through how to use UE and Steam VR together.
Set Up a Seated Camera for SteamVR
Setting up the Unreal Engine camera to work with a seated SteamVR experience.
Set Up the SteamVR Input System
Setting up Unreal Engine to work with the SteamVR Input system.
Detect SteamVR Chaperone System Activation
Detecting if the user has activated the SteamVR Chaperone system.
Interact with the SteamVR Chaperone System
Interact with the various components of the SteamVR Chaperone system.
Set Up a Standing Camera for SteamVR
Setting up the camera to work with a standing SteamVR experience.
Set Up the SteamVR Chaperone
Setting up the SteamVR Chaperone system in Unreal Engine.