How to activate a mod for the Total War: ROME II – Emperor Edition on the Mac App Store version: Download your chosen Mod (currently subscribing to a Mod through the Steam Workshop does not work) Place the Mod’s. Modify your file to activate the mod: Inside this folder you should find your user. How to activate a mod for the Total War: ROME II – Emperor Edition on the Mac App Store version: Download your chosen Mod (currently subscribing to a Mod through the Steam Workshop does not work) Place the Mod’s.How to activate mods for Total War Rome 2?