I tried looking it up on Roblox Wiki, but I am confused, as I tried it, and looked at my settings, I could see that I could still change my camera mode. I am trying to lock it to classic mode. I used a local script and put it in the starter player folder(Character).
In case you are wondering what local script I'm using, here it is:
game:GetService('Players').LocalPlayer.CameraMode = Enum.CameraMode.LockClassic

1 comment
This will lock the player's into first person.