In this article we explain how to place a PS5 both horizontally and vertically.
PS5 How to attach the stand (horizontal and vertical)
If you’re not performing an initial setup, you’ll need to start by turning off your PS5 and unplugging any cables connected to it.
Here’s how to prepare your PS5 for changing its orientation:
If your PS5 is still on, press the physical power button until you hear two beeps.