Refer to my article to get this done.
Choose earlier version of Darwin Streaming Server at here.
When you download this file, extract it to somewhere.
Browse into the folder, and click install.bat.
Then it will beginning a console and begin installation.
It will ask you to type a user name and a password.
Then it will say "adding userName XXX"
Then it will say "adding userName XXX"
In my case, it will hang there.
I just close the window.
Browse into "C:\Program Files\Darwin Streaming Server" or wherever else that you install you darwin streaming server, and click streamingadminserver.pl, a console will appear and hang there, then your server is beginning to listen on the port 1220
Open a browser with URL "http://localhost:1220"
A quicktime logo will appear and ask you for username and password.
Then it works.
Follow the steps and choose port 80 to go through the firewalls.