The official Anno 1800 Mod Loader does not explicitly support cracked versions of the game. While its author does not actively block its use on non-official copies, they do not provide technical support or bug fixes for these versions. Current Modding Landscape (Post-Game Update 17)
Download mods from sites like Nexus Mods . Extract the mod files into your new mods folder. anno 1800 mod loader for free cracked version