Question how do i turn my old pc into a server for games

[masrigamer 100]

hi
how do i turn my old pc into a server for games like (minecraft,unturned,space engineers)or whatever the game is i want know things like what os should i use and after that how do i open a dedicated server from it
thanks

 

[USAFRet]

hi
how do i turn my old pc into a server for games like (minecraft,unturned,space engineers)or whatever the game is i want know things like what os should i use and after that how do i open a dedicated server from it
thanks

The documentation for each game will have all the info you need.
Hardware specs, how to create a server, what network bandwidth you need, etc, etc, etc.