To create a new language, sign in to your back-end administration area, then select from the navigation:
Click Create Site to create a new site, with a the new language. You may also modify existing sites/languages.
To learn about translating messages, close this popup and click the Messages menu item.
Every part of this theme can be translated to another language. Even this content you are reading now!
The drop-down in the main menu is called a Site Picker. It lets you quickly switch between any of the available languages when browsing this website.
For help on setting up more languages, close this popup and click the Languages menu item.