[Twisted-web] Installation of Twisted Web 0.5

Dear Sir Subject : Installation of Twisted Web 0.5 I have to install NetWorkSpace Server (nwsserver-1.5.2). It need some other software supports. So I installed python 2.6.5 and Twisted 10.0.0 for python 2.6 But I Could not find exact .exe file of the Twisted Web 0.5. Could you please help me to get the source of Twisted Web 0.5. Thanks in advance. Kind Regards W. Mathew