If you use virt-manager (or Gnome Boxes) it doesn't really take any figuring out. You just need the relevant install media and follow the prompts.
Worked fine after selecting ‘spice’, pulse audio didn’t work tho but also didn’t result in an error. Apart from sound everything worked out of the box, tho.
I did all that to run some old music training software that only came in 16 and 32 bit versions.