### User Interface Preferences

The User Interface Preferences allow you to configure how the mrViewer's interface and main window looks once mrViewer is started.

| allows you to make the mrViewer's window appear always on top of all other application windows. This can be useful when using mrViewer as a render viewer. , , and allows you to switch how mrViewer starts. Fullscreen will try to maximize the window of mrViewer to cover your screen space. Presentation mode is like Fullscreen but will remove all windows and toolbars. Normal mode sizes the window of mrViewer based on the first image or movie file loaded (and its pixel ratio). This section allows you to toggle which portions of mrViewer appear as soon as mrViewer is opened. This section allows you to toggle how the timeline displays the time. It can be in frames, seconds, time, Drop Timecode, Non-Drop Timecode.