What are the minimum requirements for Firewatch?

Could you please elaborate on the minimum requirements needed to play Firewatch? Are there any specific hardware specifications that gamers should be aware of in order to ensure a smooth gaming experience? Are there any operating system requirements that players should consider? Additionally, are there any software requirements or prerequisites that players must meet before launching the game? Lastly, is there a minimum internet connection speed required for multiplayer features or any online functionality in Firewatch?