To install the mod follow this steps:

- Copy the downloded file to "C:UsersDocumentsMy GamesSid Meier's Civilization 5MODS"
- Ingame, go to "Mods" section and next to "Browse Mods". Here you sould see your installed mods and a button in the right side where you can read "Install mods". Clic on it.
- Done! The game should extract the files from the downloaded file and you must be able to play it. Enjoy!