First login - your user preferences/56/en
From LimeSurvey Manual
My personal settings
- Interface language: The language of the Limesurvey administrative interface;
- HTML editor mode: The inclusion of an integrated HTML editor;
- Question type selector: If 'Full selector' option is chosen, then a question preview will be shown when selecting the type of a new question to be added into the survey;
- Template editor mode: If 'full template editor' is selected, syntax highlighting will be used in the LimeSurvey template editor;
- Date format: chooses the default date format used in the administration interface.