# Appearance
URL: /en-US/docs/appearance

Theme, fonts, and the ten UI languages.



Open **Settings → Appearance**.

## Theme [#theme]

`system`, `light`, or `dark`. Stored as `spirit-agent-desktop-theme`.

## Font [#font]

Default is Geist. You can switch to the system font or a custom family.

## UI languages [#ui-languages]

The Desktop / CLI UI has **ten** languages. The default is Simplified Chinese.

| Code    | Language            |
| ------- | ------------------- |
| `zh-CN` | 简体中文 (default)      |
| `en`    | English             |
| `zh-TW` | 繁體中文                |
| `ja`    | 日本語                 |
| `ko`    | 한국어                 |
| `de`    | Deutsch             |
| `fr`    | Français            |
| `es`    | Español             |
| `pt-BR` | Português do Brasil |
| `ru`    | Русский             |

Other appearance toggles (mica / blur, pointer) stay on the same settings page.