Open Settings with Ctrl+,. The dialog searches across every setting.
**General**
Language, default speed, Follow PC, operand-type highlighting, and system .580 file association.
**External Devices**
Default floppy image, HDD directory, printer and properties-dialog mode, plus TCP client/server endpoints.
**Appearance and Shortcuts**
Interface theme and assignments for 27 actions. Reusing a binding unassigns it from its previous action.
Save applies and stores changes while keeping the dialog open and showing a notice. Reset restores defaults after confirmation.