LG Styler® Smart wi-fi Enabled Steam Closet with TrueSteam® Technology and Exclusive Moving Hangers (S3MFBN) | LG USA
Steam Community :: Guide :: Exclusive / True Fullscreen (Redux+)
Steam Deck: The First Hands-On With Valve's Handheld Gaming PC - IGN
How to enable Valheim exclusive fullscreen on PC (Steam)
If you right click on your game in steam and enter in this code it will give you better frames and smoother mouse movements. It will take longer to tab out but
How to Make Your Windows Gaming PC Automatically Boot to Big Picture Mode (Like a Steam Machine)