ReactOS 0.3.14 Released With Improved Networking Stack
An anonymous reader wrote in with news of the latest release of ReactOS, a project to create a complete reimplementation of Windows. The highlights of this release are the integration of a new network stack based upon lwIP, the ability to build using Microsoft's C compiler, and Wifi support. There are a few options for trying it out (emulator image and a livecd amongst others) and source code over at Sourceforge.
As a matter of fact, DOSBox is superior to DOS in a virtual machine. Try running a multimedia CD-Rom game of the era, like Burn:Cycle, 11th Hour, Phantasmagoria in DOS virtual machine and you get terrible frame rates, popping and cracking audio, goofy mouse problems, etc. DOSBox seems to "Just work".
Also, DOSBox is not only still being poked at, a lot of games on Steam use DOSBox to run.
"When life gives you lemons, don't make lemonade. Make life take the lemons back!" -- Cave Johnson
Yes you can. Microsoft created the Windows Academic Program for teaching the kernel internals in an academic setting. You get access to the Windows Research Kernel with source code.