XnView Software

So, when I turn color management in Xnview on, I have to define my monitor ICC profile in the first box on ICC tab. Default ICC profile (second part of ICC tab) is used only for files without embended profile. When the profile is embended directly in the file, Xnview uses that embended profile and ...

I do not understand how to use ICC profiles. Does Xnview automaticly use monitor ICC profile assigned directly in ms windows color management settings? Or no? What about working spaces and output profiles (let's say for printers)? Can you explain me color management settings implemented in Xnview? I ...