preferenceseditor

noun
UK /ˈprɛfərənsɪzˌɛdɪtə/
US /ˈprɛfərənsɪzˌɛdɪtər/

A tool where you change the settings to make a program work the way you like.

Open the preferences editor to turn on dark mode.


OTHER MEANINGS

2. A person who edits preference files or settings for a system.

The preferences editor fixed the app's default options.

3. A window or dialog in software for adjusting user choices.

The preferences editor lets you pick your language and theme.

4. A section in a program for changing how it behaves.

You can find the preferences editor under the File menu.