Chapter 3, like I said in Libvirt Prologue#List.
Personally I would recommend you to at least try these first.
Kali Linux, I linked a virtualization series from Kali in prologue which is a must-read for anything who want to have a general idea on the technology. And Kali comes with virtualization optimizations to improve your VM experience, which would in return make you feel confident.
Tails, a Debian derived distribution focused on anonymous experience. It’s challenging to make networking work if Tor is blocked in your region as you’ll meet the dilemma (in such case, just use it offline or weaponize transparent proxy):
MS-DOS 6.22, yes, MS-DOS! It’s dead old, I know. But it works great even today! Why DOSBox when native DOS just works!
Things I refer to when I set up MS-DOS for the first time:
And a few random thoughts:
If you are still passionate and have no idea on other systems, you can refer to Linux Distro 101 for inspiration.
Sine īrā et studiō