Installing Office 4.2 should give you an interesting period office machine.

Plus some people would be surprised how far into the 21st century some LAN adapters still had DOS drivers.

So this may also be a good outline to follow for bare metal if you had one of the compatible PCI LAN adapters from the last decade or two.

TCP is not that hard, it's much more annoying when you try to create an IPX network for a VM running on macOS connected over wifi.

What are you using IPX for?

Old games.