If you do end up going down the Linux route have a look at cockpit, it’s a Web ui that you can use to manage your file sharing and storage etc with plugins, it will get you similar functionality to using truenas scale but with the added benefit of being to use the machine as a normal computer if you want
I feel lucky that I played fable games as a kid and never heard of this dude so I just saw the games for what they were, no inkling of any broken promises to taint what were actually good games