The profile determines the video stream parameters. Here you can set the source of the video -Video source and the video encoding type - Video encoder.
There is only one profile in the basic version of the program, for this reason the Section "Profile" in the basic version doesn't exist.
Profile name: Enter name of the profile here.
Video source: Select(created before) video source from Section "Video source".
Video encoder: Select(created before) video encoder from Section "Video encoder".
Custom URL suffix for the stream: Here you can select type of the stream and specify suffix of the access URL. You can see full URL string in Section "Access URLs".