I installed FPS Nav successfully, but the fork from GitHub I couldn’t figure out:
So, I thought it would be a good idea to ask for help on a topic that was discussing the very issue I’m having.
If I have broken some of the bullets in Keep it Tidy, please forgive me, and I will condense my replies into one post, then delete, copy, and paste a new reply into the “Walk/Fly WASD+Mouse Navigation Mode” topic that was referred to by @dezmo.