NWH Vehicle Physics 2 aims to automate import process as much as possible but some actions can not be performed from scripting and so these have to be done manually.
Windows / x86make sure to change it to
Windows / x86_64or Unity InputSystem will not work. This can be done under File ⇒ Build Settings. InputSystem is required for demo scenes.
Both. This way both Unity InputSystem and the old Unity InputManager will work (NVP2 supports both).
Linearunder Project Settings ⇒ Player ⇒ Color Space.