AFAIK there is no way in Windows to control hinting, which in my opinion is the thing that makes Windows' font-rendering unbearable, especially on displays with a high PPI count.
There's hacks out there, but they're exactly that: hacks. And they don't always work that well.
If you want to make it more like OSX, there's a tuning app here:
http://www.microsoft.com/typography/cleartypeinfo.mspx