Steam VR Turn off the Chaperone
(Steam VR grid boundaries)


Make a backup copy of C:\Program Files (x86)\Steam\config\steamvr.vrsettings

Edit C:\Program Files (x86)\Steam\config\steamvr.vrsettings

Insert this right after the audio section:
"collisionBounds" : {
"CollisionBoundsColorGammaA" : 0,
 CollisionBoundsColorGammaR" : 255

Followed these instructions:

Splash Screen Settings OLD
Get rid of the annoying Unity pop-up message
Edit Assets/SteamVR/Editor/SteamVR_Settings.cs
Change recommended_ShowUnitySplashScreen to true