Add a New Language Pack to Community Central in SharePoint 2013 and 2010

The latest release of Bamboo's Community Central offers a host of new features and customization options. One of the new features included are site templates for different languages including German, Russian, and Arabic. In the event that you need to have even more languages, have no fear, for this post is here to help! In this article, we'll show you how to build a new language for Community Central.
Some items worth noting before you begin:

• In this article, we have chosen to add a language in SharePoint 2013 using the SharePoint 2013 language pack. Please note that if you are using SharePoint 2010, all steps are exactly the same.
• Bamboo Community Central has 3 templates: Community Central Home, Blog Home, and Forum Home template. In this post, we will be adding the language to a site that utilizes the Community Central Home template. 

Details of article is here:

http://community.bamboosolutions.com/blogs/sharepoint-2013/archive/2013/11/08/add-a-new-language-pack-to-community-central-in-sharepoint-2013-and-2010.aspx