How to download Mods & how to use Modmanager

Hi am new to the forum and i am having trouble downloading Mods. I have downloaded Modmanager however, i don't know where to place it and use it. I was wondering if someone could teach me how to download Mods. The Mods i wish to download are Napoleon and Empire Mods.

Regards,
Bob

Mod Manager for NTW
Is where you wants to go. This is where you ask question about mod-manager.
Good luck