How do stargazers cut back?

Press F 1 1 or click the exit full screen button.

1, press the key of F 1 1: the shortcut key for full-screen mode of star observer is F 1 1, and the program is in full-screen mode. Press F 1 1 to switch back to normal mode.

2. Click the Exit Full Screen button: There is an Exit Full Screen button at the top of the interface of Star Observer, and the program is in full screen mode. Find the button at the top of the interface and click it to switch back to normal mode.