Change the UI language | Qt Creator Documentation

- Qt Creator Documentation
- Change the UI language
- Qt Creator 19.0.1

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# Change the UI language

Qt Creator has been localized into several languages. If the system language is one of the supported languages, it is automatically selected.

To change the language:

1. Go to Preferences > Environment Interface.
2. In Language, select a language.
3. Select Apply.
4. Select Restart Now to restart Qt Creator and have the change take effect.

## Set the language from the command line

To set the UI language when you start Qt Creator from the command line, enter:

     qtcreator -language <locale>

Use a lowercase, two-letter ISO 639 language code, such as de, en, or fr.

See also How to: Adapt the UI, Adapting the UI, and Run Qt Creator from the command line.

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