How to install SocialEngine v4 language
In this tutorial we will show you how to install SocialEngine v4 language that you bought from our shop:
After you download language, Unzip package, you will then have folder with short name of your download language, for example for German: de.
Over your FTP client upload your language folder, in this case de to this location: /application/languages/
Your language is now installed, and you can switch it on bottom of page also if you wish to set it as default language of your site just go to SE Admin > Layout > Language manager and click on make default.