WinPwn 2.0.0.4 was released this afternoon enabling windows users to pwn their 2.0.1 iPhone. The process hasn't changed any from the last version.  If you have questions regarding the use of WinPwn post them in the WinPwn support section.

Currently winpwn.com is experiencing high load so here are a couple of mirrors.

Download WinPwn 2.0.0.4
MediaFire

SendSpace