How do I make VM look like a real PC?

so how do I make my VM looks like a real PC, cause you know in your files it shows the VM crap. Thank you.

I know there are VM programs out there that you can set up to look like a real PC, but I think they all are sorttttta expensive so…

well I saw this video someone doing it of a save file wich tricked the Virtual Box not have all the junk but I cant find the video