On the Server the configuration for the stream is set (i.c. When you are using the standard sound card and the capture card the settings normally will be good.the IP address and port of the PC) in the Publishing Point on which the stream has te be viewed. But when more sources are available be carefull to select the right sources for audio and video.After that everyone can watch this publishing point.
Windows Media Encoder can be downloaded at Microsoft. Downloads can be found at: language versions are available. For making an audio and/or video stream with Windows Media Encoder a choice has to be made what kind of stream will be used for the uplink.
There also exists a 64 bits version for 64 bits OS users (like Windows Vista or Windows 7 64-bits versions).