In this article I will give you a step by step guide on how to change the display language for the Admin backend and website language
1. Log into Joomla Administration
2. On the top bar menu, click on “Extensions -> Language Manager”:
3. If the language you want to use is not available in the Language Manager List, click on Install Language to find the desired language:
4. Find the language that you want to install, select it and click on Install:
And that’s it! Display language has been changed!
This concludes How to Change the Language in Joomla 3.0.