https://assetstore.unity.com/packages/tools/input-management/mini-first-person-controller-174710
<aside> 🖱️ Flythrough mode
You can also use Flythrough mode to navigate in the Scene view by flying around in first person, which is common in many games. To do this:
If STEP SOUND
of first person controller disrupt main ambient sounds, follow the instruction below to lower the step sound
Hierarch > Click >
to unpack on Hierarch Window > click First Person Audio
> Inspector: manipulate values of Audio Source elements