MinimStreamer is packaged as an optional extension to MinimServer.
After you have downloaded and installed MinimServer, see the Package management section of the MinimServer user guide for details of how to install the MinimStreamer package.
Important: Before installing MinimStreamer, you should make sure MinimServer is updated to the latest level. To check this, select 'About' from the minim icon and click 'Show updates'. After applying any updates, relaunch MinimServer.
If MinimStreamer isn't shown as an available package, this probably means you don't have the latest MinimServer update installed. After you have installed this update to MinimServer, you should be able to see and install the MinimStreamer package.