Step 1: Press the right mouse button.

Step 2: Select “Menu”.

Step 3: Draw the pattern.

Step 4: Select “System”.

Step 5: Select “Preview”.

Step 6: You can choose which cameras you do not want to display by clicking the trash can icon to delete the cameras from the main view.
Step 7: You can set the camera preview by selecting one of the available camera preview settings.

Step 8: Select "Apply".
Step 9: Select "Exit".

Step 10: The view of the camera has been changed.