如何在Windows中运行一个扭曲的试验?

I'm new to Python, Twisted, and Trial... and for Windows users the setup process isn't very clear. Right now, I have Python 2.7 installed, along with Twisted. From the Python GUI, I can run the reactor, so I'm convinced things are set up OK. But I can't figure out how to run trial from the command line to run my unit tests. I don't see an executable anywhere for it., and Trial... and fo