The serial number of the Valve Index VR headset can be found in a few different locations:
- On the outside of the box: The serial number is printed on a label located on the outside of the box that the Valve Index came in.
- On the headset itself: The serial number is printed on a label located inside the visor on the left side, underneath the face gasket.
- In the SteamVR software: You can also find the serial number by launching the SteamVR software, clicking on the dropdown menu next to the “Devices” tab, and selecting “Device Manager”. From there, select the Valve Index from the list of connected devices, and the serial number should be listed in the “Details” section.
If you are having difficulty locating the serial number, you can contact Valve customer support for assistance.