# How to activate your newly installed language

Once the download and the installation has fully completed, you'll need to activate this language for the SeaMonkey user interface.

To activate the new language:

- Select "Preferences..." from the Edit menu
- In the preferences window, open the "Appearance" panel
- Select the new language from the list at the bottom and click OK or Close
- Close all SeaMonkey windows
- After SeaMonkey is started again, the user interface should be in your selected language