# Start BaseX.jar, choose your language via ''Options'' → ''Preferences...'' and restart BaseX to see the changes
You may can also change the directly assign a language in the <code>.basex</code> configuration file,which is placed in your [[Configuration|home directory]].The language is assigned to the {{Option|LANG}} option. In order to see where the all text keys are used within BaseX, you may temporarilycan set the {{Option|LANGKEY}} option to <code>true</code>.