There are several ways to open a scene:
Open a scene through the start window. You can find the prepared test scenes in the Learn menu, in the Samples tab.
Open the File menu and select the Open option.
Simply drag the scene from the folder into the program space
You can open several different scenes at once. All open scenes are displayed as tabs above the viewport
The program can also automatically save open scenes at certain intervals.
If necessary, you can assign a folder for autosaves, as well as set the time interval and the maximum number of autosaves for one scene.
The program has several color themes: dark and light.
You can choose the theme in the Start window of the program.